package com.dl.generator.util;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.lang.Dict;
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import cn.hutool.core.util.ObjectUtil;
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import com.dl.common.constant.GenConstants;
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import com.dl.common.helper.DataBaseHelper;
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import com.dl.common.utils.DateUtils;
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import com.dl.common.utils.JsonUtils;
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import com.dl.common.utils.StringUtils;
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import com.dl.generator.domain.GenTable;
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import com.dl.generator.domain.GenTableColumn;
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import lombok.AccessLevel;
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import lombok.NoArgsConstructor;
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import org.apache.velocity.VelocityContext;
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import java.util.*;
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/**
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* 模板处理工具类
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*
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* @author dl
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*/
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@NoArgsConstructor(access = AccessLevel.PRIVATE)
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public class VelocityUtils {
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/**
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* 项目空间路径
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*/
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private static final String PROJECT_PATH = "main/java";
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/**
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* mybatis空间路径
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*/
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private static final String MYBATIS_PATH = "main/resources/mapper";
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/**
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* 默认上级菜单，系统工具
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*/
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private static final String DEFAULT_PARENT_MENU_ID = "3";
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/**
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* 设置模板变量信息
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*
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* @return 模板列表
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*/
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public static VelocityContext prepareContext(GenTable genTable) {
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String moduleName = genTable.getModuleName();
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String businessName = genTable.getBusinessName();
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String packageName = genTable.getPackageName();
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String tplCategory = genTable.getTplCategory();
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String functionName = genTable.getFunctionName();
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VelocityContext velocityContext = new VelocityContext();
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velocityContext.put("tplCategory", genTable.getTplCategory());
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velocityContext.put("tableName", genTable.getTableName());
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velocityContext.put("functionName", StringUtils.isNotEmpty(functionName) ? functionName : "【请填写功能名称】");
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velocityContext.put("ClassName", genTable.getClassName());
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velocityContext.put("className", StringUtils.uncapitalize(genTable.getClassName()));
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velocityContext.put("moduleName", genTable.getModuleName());
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velocityContext.put("BusinessName", StringUtils.capitalize(genTable.getBusinessName()));
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velocityContext.put("businessName", genTable.getBusinessName());
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velocityContext.put("basePackage", getPackagePrefix(packageName));
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velocityContext.put("packageName", packageName);
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velocityContext.put("author", genTable.getFunctionAuthor());
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velocityContext.put("datetime", DateUtils.getDate());
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velocityContext.put("pkColumn", genTable.getPkColumn());
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velocityContext.put("importList", getImportList(genTable));
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velocityContext.put("permissionPrefix", getPermissionPrefix(moduleName, businessName));
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velocityContext.put("columns", genTable.getColumns());
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velocityContext.put("table", genTable);
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velocityContext.put("dicts", getDicts(genTable));
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setMenuVelocityContext(velocityContext, genTable);
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if (GenConstants.TPL_TREE.equals(tplCategory)) {
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setTreeVelocityContext(velocityContext, genTable);
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}
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if (GenConstants.TPL_SUB.equals(tplCategory)) {
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setSubVelocityContext(velocityContext, genTable);
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}
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return velocityContext;
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}
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public static void setMenuVelocityContext(VelocityContext context, GenTable genTable) {
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String options = genTable.getOptions();
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Dict paramsObj = JsonUtils.parseMap(options);
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String parentMenuId = getParentMenuId(paramsObj);
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context.put("parentMenuId", parentMenuId);
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}
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public static void setTreeVelocityContext(VelocityContext context, GenTable genTable) {
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String options = genTable.getOptions();
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Dict paramsObj = JsonUtils.parseMap(options);
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String treeCode = getTreecode(paramsObj);
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String treeParentCode = getTreeParentCode(paramsObj);
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String treeName = getTreeName(paramsObj);
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context.put("treeCode", treeCode);
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context.put("treeParentCode", treeParentCode);
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context.put("treeName", treeName);
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context.put("expandColumn", getExpandColumn(genTable));
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if (paramsObj.containsKey(GenConstants.TREE_PARENT_CODE)) {
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context.put("tree_parent_code", paramsObj.get(GenConstants.TREE_PARENT_CODE));
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}
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if (paramsObj.containsKey(GenConstants.TREE_NAME)) {
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context.put("tree_name", paramsObj.get(GenConstants.TREE_NAME));
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}
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}
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public static void setSubVelocityContext(VelocityContext context, GenTable genTable) {
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GenTable subTable = genTable.getSubTable();
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String subTableName = genTable.getSubTableName();
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String subTableFkName = genTable.getSubTableFkName();
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String subClassName = genTable.getSubTable().getClassName();
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String subTableFkClassName = StringUtils.convertToCamelCase(subTableFkName);
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context.put("subTable", subTable);
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context.put("subTableName", subTableName);
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context.put("subTableFkName", subTableFkName);
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context.put("subTableFkClassName", subTableFkClassName);
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context.put("subTableFkclassName", StringUtils.uncapitalize(subTableFkClassName));
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context.put("subClassName", subClassName);
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context.put("subclassName", StringUtils.uncapitalize(subClassName));
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context.put("subImportList", getImportList(genTable.getSubTable()));
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}
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/**
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* 获取模板信息
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*
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* @return 模板列表
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*/
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public static List<String> getTemplateList(String tplCategory) {
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List<String> templates = new ArrayList<String>();
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templates.add("vm/java/domain.java.vm");
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templates.add("vm/java/vo.java.vm");
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templates.add("vm/java/bo.java.vm");
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templates.add("vm/java/mapper.java.vm");
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templates.add("vm/java/service.java.vm");
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templates.add("vm/java/serviceImpl.java.vm");
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templates.add("vm/java/controller.java.vm");
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templates.add("vm/xml/mapper.xml.vm");
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if (DataBaseHelper.isOracle()) {
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templates.add("vm/sql/oracle/sql.vm");
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} else if (DataBaseHelper.isPostgerSql()) {
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templates.add("vm/sql/postgres/sql.vm");
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} else if (DataBaseHelper.isSqlServer()) {
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templates.add("vm/sql/sqlserver/sql.vm");
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} else {
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templates.add("vm/sql/sql.vm");
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}
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templates.add("vm/js/api.js.vm");
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if (GenConstants.TPL_CRUD.equals(tplCategory)) {
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templates.add("vm/vue/index.vue.vm");
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} else if (GenConstants.TPL_TREE.equals(tplCategory)) {
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templates.add("vm/vue/index-tree.vue.vm");
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} else if (GenConstants.TPL_SUB.equals(tplCategory)) {
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templates.add("vm/vue/index.vue.vm");
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templates.add("vm/java/sub-domain.java.vm");
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}
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return templates;
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}
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/**
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* 获取文件名
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*/
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public static String getFileName(String template, GenTable genTable) {
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// 文件名称
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String fileName = "";
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// 包路径
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String packageName = genTable.getPackageName();
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// 模块名
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String moduleName = genTable.getModuleName();
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// 大写类名
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String className = genTable.getClassName();
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// 业务名称
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String businessName = genTable.getBusinessName();
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String javaPath = PROJECT_PATH + "/" + StringUtils.replace(packageName, ".", "/");
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String mybatisPath = MYBATIS_PATH + "/" + moduleName;
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String vuePath = "vue";
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if (template.contains("domain.java.vm")) {
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fileName = StringUtils.format("{}/domain/{}.java", javaPath, className);
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}
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if (template.contains("vo.java.vm")) {
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fileName = StringUtils.format("{}/domain/vo/{}Vo.java", javaPath, className);
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}
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if (template.contains("bo.java.vm")) {
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fileName = StringUtils.format("{}/domain/bo/{}Bo.java", javaPath, className);
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}
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if (template.contains("sub-domain.java.vm") && StringUtils.equals(GenConstants.TPL_SUB, genTable.getTplCategory())) {
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fileName = StringUtils.format("{}/domain/{}.java", javaPath, genTable.getSubTable().getClassName());
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} else if (template.contains("mapper.java.vm")) {
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fileName = StringUtils.format("{}/mapper/{}Mapper.java", javaPath, className);
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} else if (template.contains("service.java.vm")) {
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fileName = StringUtils.format("{}/service/I{}Service.java", javaPath, className);
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} else if (template.contains("serviceImpl.java.vm")) {
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fileName = StringUtils.format("{}/service/impl/{}ServiceImpl.java", javaPath, className);
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} else if (template.contains("controller.java.vm")) {
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fileName = StringUtils.format("{}/controller/{}Controller.java", javaPath, className);
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} else if (template.contains("mapper.xml.vm")) {
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fileName = StringUtils.format("{}/{}Mapper.xml", mybatisPath, className);
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} else if (template.contains("sql.vm")) {
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fileName = businessName + "Menu.sql";
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} else if (template.contains("api.js.vm")) {
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fileName = StringUtils.format("{}/api/{}/{}.js", vuePath, moduleName, businessName);
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} else if (template.contains("index.vue.vm")) {
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fileName = StringUtils.format("{}/views/{}/{}/index.vue", vuePath, moduleName, businessName);
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} else if (template.contains("index-tree.vue.vm")) {
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fileName = StringUtils.format("{}/views/{}/{}/index.vue", vuePath, moduleName, businessName);
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}
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return fileName;
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}
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/**
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* 获取包前缀
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*
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* @param packageName 包名称
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* @return 包前缀名称
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*/
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public static String getPackagePrefix(String packageName) {
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int lastIndex = packageName.lastIndexOf(".");
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return StringUtils.substring(packageName, 0, lastIndex);
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}
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/**
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* 根据列类型获取导入包
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*
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* @param genTable 业务表对象
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* @return 返回需要导入的包列表
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*/
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public static HashSet<String> getImportList(GenTable genTable) {
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List<GenTableColumn> columns = genTable.getColumns();
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GenTable subGenTable = genTable.getSubTable();
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HashSet<String> importList = new HashSet<>();
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if (ObjectUtil.isNotNull(subGenTable)) {
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importList.add("java.util.List");
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}
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for (GenTableColumn column : columns) {
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if (!column.isSuperColumn() && GenConstants.TYPE_DATE.equals(column.getJavaType())) {
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importList.add("java.util.Date");
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importList.add("com.fasterxml.jackson.annotation.JsonFormat");
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} else if (!column.isSuperColumn() && GenConstants.TYPE_BIGDECIMAL.equals(column.getJavaType())) {
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importList.add("java.math.BigDecimal");
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}
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}
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return importList;
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}
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/**
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* 根据列类型获取字典组
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*
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* @param genTable 业务表对象
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* @return 返回字典组
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*/
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public static String getDicts(GenTable genTable) {
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List<GenTableColumn> columns = genTable.getColumns();
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Set<String> dicts = new HashSet<String>();
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addDicts(dicts, columns);
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if (ObjectUtil.isNotNull(genTable.getSubTable())) {
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List<GenTableColumn> subColumns = genTable.getSubTable().getColumns();
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addDicts(dicts, subColumns);
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}
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return StringUtils.join(dicts, ", ");
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}
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/**
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* 添加字典列表
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*
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* @param dicts 字典列表
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* @param columns 列集合
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*/
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public static void addDicts(Set<String> dicts, List<GenTableColumn> columns) {
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for (GenTableColumn column : columns) {
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if (!column.isSuperColumn() && StringUtils.isNotEmpty(column.getDictType()) && StringUtils.equalsAny(
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column.getHtmlType(),
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new String[] { GenConstants.HTML_SELECT, GenConstants.HTML_RADIO, GenConstants.HTML_CHECKBOX })) {
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dicts.add("'" + column.getDictType() + "'");
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}
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}
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}
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/**
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* 获取权限前缀
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*
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* @param moduleName 模块名称
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* @param businessName 业务名称
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* @return 返回权限前缀
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*/
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public static String getPermissionPrefix(String moduleName, String businessName) {
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return StringUtils.format("{}:{}", moduleName, businessName);
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}
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/**
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* 获取上级菜单ID字段
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*
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* @param paramsObj 生成其他选项
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* @return 上级菜单ID字段
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*/
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public static String getParentMenuId(Dict paramsObj) {
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if (CollUtil.isNotEmpty(paramsObj) && paramsObj.containsKey(GenConstants.PARENT_MENU_ID)
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&& StringUtils.isNotEmpty(paramsObj.getStr(GenConstants.PARENT_MENU_ID))) {
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return paramsObj.getStr(GenConstants.PARENT_MENU_ID);
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}
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return DEFAULT_PARENT_MENU_ID;
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}
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/**
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* 获取树编码
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*
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* @param paramsObj 生成其他选项
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* @return 树编码
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*/
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public static String getTreecode(Map<String, Object> paramsObj) {
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if (CollUtil.isNotEmpty(paramsObj) && paramsObj.containsKey(GenConstants.TREE_CODE)) {
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return StringUtils.toCamelCase(Convert.toStr(paramsObj.get(GenConstants.TREE_CODE)));
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}
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return StringUtils.EMPTY;
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}
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/**
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* 获取树父编码
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*
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* @param paramsObj 生成其他选项
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* @return 树父编码
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*/
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public static String getTreeParentCode(Dict paramsObj) {
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if (CollUtil.isNotEmpty(paramsObj) && paramsObj.containsKey(GenConstants.TREE_PARENT_CODE)) {
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return StringUtils.toCamelCase(paramsObj.getStr(GenConstants.TREE_PARENT_CODE));
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}
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return StringUtils.EMPTY;
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}
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/**
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* 获取树名称
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*
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* @param paramsObj 生成其他选项
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* @return 树名称
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*/
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public static String getTreeName(Dict paramsObj) {
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if (CollUtil.isNotEmpty(paramsObj) && paramsObj.containsKey(GenConstants.TREE_NAME)) {
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return StringUtils.toCamelCase(paramsObj.getStr(GenConstants.TREE_NAME));
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}
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return StringUtils.EMPTY;
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}
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/**
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* 获取需要在哪一列上面显示展开按钮
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*
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* @param genTable 业务表对象
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* @return 展开按钮列序号
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*/
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public static int getExpandColumn(GenTable genTable) {
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String options = genTable.getOptions();
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Dict paramsObj = JsonUtils.parseMap(options);
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String treeName = paramsObj.getStr(GenConstants.TREE_NAME);
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int num = 0;
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for (GenTableColumn column : genTable.getColumns()) {
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if (column.isList()) {
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num++;
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String columnName = column.getColumnName();
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if (columnName.equals(treeName)) {
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break;
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}
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}
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}
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return num;
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}
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}
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