package com.iplatform.base.controller;
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import com.iplatform.base.SystemController;
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import com.iplatform.core.util.CharsetKit;
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import com.iplatform.core.util.Convert;
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import com.iplatform.mybatis.domain.GenTable;
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import com.iplatform.mybatis.domain.GenTableColumn;
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import com.iplatform.mybatis.domain.TableDataInfo;
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import com.iplatform.mybatis.service.IGenTableColumnService;
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import com.iplatform.mybatis.service.IGenTableService;
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import com.iplatform.mybatis.service.MetaDataServiceImpl;
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import com.iplatform.mybatis.util.VelocityInitializer;
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import com.iplatform.mybatis.util.VelocityUtils;
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import com.walker.infrastructure.utils.StringUtils;
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import com.walker.web.ResponseValue;
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import org.apache.commons.io.IOUtils;
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import org.apache.velocity.Template;
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import org.apache.velocity.VelocityContext;
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import org.apache.velocity.app.Velocity;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.DeleteMapping;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.PutMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletResponse;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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* 代码生成 操作处理。
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* <pre>
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* 1) 参考第三方代码，界面可以调用该接口生成代码。
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* 2) 目前仅使用生成数据库实体，以及service实现，前端vue暂不生成。
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* </pre>
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*
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* @author manton
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* @author 时克英
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* @date 2024-01-16 修改
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*/
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//@Api(value = "代码生成管理", tags = {"代码生成管理"})
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@RestController
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@RequestMapping("/tool/generate")
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public class GenController extends SystemController
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{
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@Autowired
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private IGenTableService genTableService;
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@Autowired
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private IGenTableColumnService genTableColumnService;
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@Autowired
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private MetaDataServiceImpl metaDataService;
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/**
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* 查询代码生成列表
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:list')")
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@GetMapping("/list")
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public TableDataInfo genList(GenTable genTable)
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{
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// startPage();
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List<GenTable> list = genTableService.selectGenTableList(genTable);
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return getDataTable(list);
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}
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/**
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* 修改代码生成业务
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:query')")
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@GetMapping(value = "/{tableId}")
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public ResponseValue getInfo(@PathVariable Long tableId)
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{
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GenTable table = genTableService.selectGenTableById(tableId);
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List<GenTable> tables = genTableService.selectGenTableAll();
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List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
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Map<String, Object> map = new HashMap<String, Object>();
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map.put("info", table);
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map.put("rows", list);
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map.put("tables", tables);
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// return success(map);
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return ResponseValue.success(map);
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}
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/**
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* 查询数据库列表
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:list')")
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@GetMapping("/db/list")
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public TableDataInfo dataList(GenTable genTable)
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{
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// startPage();
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List<GenTable> list = genTableService.selectDbTableList(genTable);
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return getDataTable(list);
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}
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/**
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* 查询数据表字段列表
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:list')")
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@GetMapping(value = "/column/{tableId}")
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public TableDataInfo columnList(Long tableId)
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{
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TableDataInfo dataInfo = new TableDataInfo();
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List<GenTableColumn> list = genTableColumnService.selectGenTableColumnListByTableId(tableId);
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dataInfo.setRows(list);
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dataInfo.setTotal(list.size());
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return dataInfo;
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}
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/**
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* 导入表结构（保存）
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:import')")
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// @Log(title = "代码生成", businessType = BusinessType.IMPORT)
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@PostMapping("/importTable")
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public ResponseValue importTableSave(String tables)
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{
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String[] tableNames = Convert.toStrArray(tables);
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// 查询表信息
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List<GenTable> tableList = genTableService.selectDbTableListByNames(tableNames);
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genTableService.importGenTable(tableList);
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return ResponseValue.success();
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}
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/**
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* 修改保存代码生成业务
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:edit')")
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// @Log(title = "代码生成", businessType = BusinessType.UPDATE)
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@PutMapping
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public ResponseValue editSave(@Validated @RequestBody GenTable genTable)
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{
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genTableService.validateEdit(genTable);
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genTableService.updateGenTable(genTable);
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return ResponseValue.success();
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}
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/**
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* 删除代码生成
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:remove')")
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// @Log(title = "代码生成", businessType = BusinessType.DELETE)
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@DeleteMapping("/{tableIds}")
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public ResponseValue remove(@PathVariable Long[] tableIds)
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{
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genTableService.deleteGenTableByIds(tableIds);
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return ResponseValue.success();
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}
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/**
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* 预览代码
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:preview')")
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@GetMapping("/preview/{tableId}")
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public ResponseValue preview(@PathVariable("tableId") Long tableId) throws IOException
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{
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Map<String, String> dataMap = genTableService.previewCode(tableId);
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return ResponseValue.success(dataMap);
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}
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/**
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* 生成代码（下载方式）
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:code')")
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// @Log(title = "代码生成", businessType = BusinessType.GENCODE)
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@GetMapping("/download/{tableName}")
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public void download(HttpServletResponse response, @PathVariable("tableName") String tableName) throws IOException
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{
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byte[] data = genTableService.downloadCode(tableName);
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genCode(response, data);
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}
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/**
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* 生成代码（自定义路径）
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:code')")
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// @Log(title = "代码生成", businessType = BusinessType.GENCODE)
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@GetMapping("/genCode/{tableName}")
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public ResponseValue genCode(@PathVariable("tableName") String tableName)
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{
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genTableService.generatorCode(tableName);
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return ResponseValue.success();
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}
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/**
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* 同步数据库
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:edit')")
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// @Log(title = "代码生成", businessType = BusinessType.UPDATE)
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@GetMapping("/synchDb/{tableName}")
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public ResponseValue synchDb(@PathVariable("tableName") String tableName)
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{
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genTableService.synchDb(tableName);
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return ResponseValue.success();
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}
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/**
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* 批量生成代码
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*/
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// @PreAuthorize("@ss.hasPermi('tool:gen:code')")
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// @Log(title = "代码生成", businessType = BusinessType.GENCODE)
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@GetMapping("/batchGenCode")
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public void batchGenCode(HttpServletResponse response, String tables) throws IOException
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{
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String[] tableNames = Convert.toStrArray(tables);
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byte[] data = genTableService.downloadCode(tableNames);
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genCode(response, data);
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}
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/**
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* 生成zip文件
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*/
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private void genCode(HttpServletResponse response, byte[] data) throws IOException
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{
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response.reset();
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response.addHeader("Access-Control-Allow-Origin", "*");
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response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
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response.setHeader("Content-Disposition", "attachment; filename=\"manton.zip\"");
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response.addHeader("Content-Length", "" + data.length);
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response.setContentType("application/octet-stream; charset=UTF-8");
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IOUtils.write(data, response.getOutputStream());
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}
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/**
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* 响应请求分页数据
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*/
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@SuppressWarnings({ "rawtypes"})
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protected TableDataInfo getDataTable(List<?> list)
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{
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TableDataInfo rspData = new TableDataInfo();
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rspData.setCode(HttpStatus.OK.value());
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rspData.setMsg("查询成功");
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rspData.setRows(list);
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// rspData.setTotal(page.getTotal());
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rspData.setTotal(0);
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return rspData;
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}
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/**
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* 生成指定表结构代码，支持多数据库。
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* @param response
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* @param tableName 表名，可以是精确的表名，如：s_ment，也可以是前缀，如：s_
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* @param isPrecision 是否精确查询（单表）
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* @param packageName
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* @throws IOException
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* @date 2024-02-20
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*/
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@GetMapping("/batchDownloadGenCode")
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public void batchDownloadGenCode(HttpServletResponse response, String tableName, boolean isPrecision, String packageName) throws IOException{
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List<GenTable> list = this.metaDataService.queryDatabaseTableInfo(tableName, isPrecision, packageName, null, null, null);
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if(StringUtils.isEmptyList(list)){
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logger.error("未查找到任何表信息，无法生存代码，tableName={}", tableName);
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return;
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}
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ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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ZipOutputStream zip = new ZipOutputStream(outputStream);
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for(GenTable table : list){
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VelocityInitializer.initVelocity();
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VelocityContext context = VelocityUtils.prepareContext(table);
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// 获取模板列表
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List<String> templates = VelocityUtils.getTemplateList(table.getTplCategory());
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for (String template : templates) {
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// 渲染模板
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StringWriter sw = new StringWriter();
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Template tpl = Velocity.getTemplate(template, CharsetKit.UTF_8);
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tpl.merge(context, sw);
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try {
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// 添加到zip
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zip.putNextEntry(new ZipEntry(VelocityUtils.getFileName(template, table)));
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IOUtils.write(sw.toString(), zip, CharsetKit.UTF_8);
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IOUtils.closeQuietly(sw);
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zip.flush();
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zip.closeEntry();
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}
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catch (IOException e) {
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logger.error("渲染模板失败，表名：" + table.getTableName(), e);
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}
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}
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}
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IOUtils.closeQuietly(zip);
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byte[] data = outputStream.toByteArray();
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genCode(response, data);
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}
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}
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