package com.lz.mysql; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.Writer; import java.text.SimpleDateFormat; import java.util.Date; public class MysqlUtilTable2Mapper { public static String TAB = " "; public static void printDao(TablesBean tableBean) { String realName = MysqlMain.pre + tableBean.getSpaceName(); String fileName = MysqlMain.save_path + "/" + realName + "Mapper.java"; try { String content = "package com.admin.mapper;\n"; content += "/**\n"; content += "*
\n"; content += "* " + tableBean.getComment() + " 服务类\n"; content += "*
\n"; content += "*\n"; content += "* @author quyixiao\n"; SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); content += "* @since " + format.format(new Date()) + "\n"; content += "*/\n"; content += "import org.apache.ibatis.annotations.Mapper;\n"; content += "import org.apache.ibatis.annotations.Param;\n"; content += "@Mapper\n"; content += "public interface " + realName + "Mapper extends BaseMapper<" + realName + "> {"; content += "\n"; content += "\n"; content += "\n"; content += TAB + realName + " select" + realName + "ById(@Param(\"id\")Long id);"; content += "\n"; content += "\n"; content += "\n"; content += TAB + "Long insert" + realName + "(" + realName + " " + tableBean.getJavaName() + ");"; content += "\n"; content += "\n"; content += "\n"; content += TAB + "int update" + realName + "ById(" + realName + " " + tableBean.getJavaName() + ");"; content += "\n"; content += "\n"; content += "\n"; content += TAB + "int updateCover" + realName + "ById(" + realName + " " + tableBean.getJavaName() + ");"; content += "\n"; content += "\n"; content += "\n"; content += TAB + "int delete" + tableBean.getSpaceName() + "ById(@Param(\"id\")Long id);"; content += "\n"; content += "\n"; content += "\n"; content += "}"; FileOutputStream fos = new FileOutputStream(fileName); Writer out = new OutputStreamWriter(fos, "UTF-8"); out.write(content); out.close(); fos.close(); System.out.println("===" + realName + "Mapper.java" + "生成"); // 打开一个写文件器,构造函数中的第二个参数true表示以追加形式写文件 // FileWriter writer = new FileWriter(fileName, false); // writer.write(content); // writer.close(); } catch (IOException e) { e.printStackTrace(); } } }