add > 基础测试类&代码生成器&模板

src/test/java/CodeGenerator.java

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+import com.company.project.core.ProjectConstant;
+import freemarker.template.TemplateExceptionHandler;
+import org.mybatis.generator.api.MyBatisGenerator;
+import org.mybatis.generator.config.*;
+import org.mybatis.generator.internal.DefaultShellCallback;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * 代码生成器，根据数据表名称生成对应的Model、Mapper、Service、Controller简化开发。
+ */
+public abstract class CodeGenerator {
+    //JDBC配置
+    private static final String JDBC_URL = "jdbc:mysql://localhost:3306/test";
+    private static final String JDBC_USERNAME = "root";
+    private static final String JDBC_PASSWORD = "123456";
+    private static final String JDBC_DIVER_CLASS_NAME = "com.mysql.jdbc.Driver";
+
+    private static final String PROJECT_PATH = System.getProperty("user.dir");//项目在硬盘上的基础路径
+    private static final String TEMPLATE_FILE_PATH = PROJECT_PATH + "\\src\\test\\resources\\generator\\template";//模板位置
+
+    private static final String JAVA_PATH = "\\src\\main\\java"; //java文件路径
+    private static final String RESOURCES_PATH = "\\src\\main\\resources";//资源文件路径
+
+    private static final String BASE_PACKAGE_PATH = "\\com\\company\\project";//项目基础包路径
+    private static final String PACKAGE_PATH_SERVICE = BASE_PACKAGE_PATH + "\\service\\";//生成的Service存放路径
+    private static final String PACKAGE_PATH_SERVICE_IMPL = BASE_PACKAGE_PATH + "\\service\\impl\\";//生成的Service实现存放路径
+    private static final String PACKAGE_PATH_CONTROLLER = BASE_PACKAGE_PATH + "\\web\\";//生成的Controller实现存放路径
+
+    private static final String AUTHOR = "CodeGenerator";//@author
+    private static final String DATE = new SimpleDateFormat("yyyy/MM/dd").format(new Date());//@date
+
+    public static void main(String[] args) {
+        genCode("输入表名");
+    }
+
+
+    public static void genCode(String... tableNames) {
+        for (String tableName : tableNames) {
+            //根据需求生成，不需要的注掉，模板有问题的话可以自己修改。
+            genModelAndMapper(tableName);
+            genService(tableName);
+            genController(tableName);
+        }
+    }
+
+
+    public static void genModelAndMapper(String tableName) {
+        try {
+            List<String> warnings = new ArrayList<String>();
+            boolean overwrite = true;
+            Context context = new Context(ModelType.FLAT);
+            context.setId("Potato");
+            context.setTargetRuntime("MyBatis3Simple");
+            context.addProperty(PropertyRegistry.CONTEXT_BEGINNING_DELIMITER, "`");
+            context.addProperty(PropertyRegistry.CONTEXT_ENDING_DELIMITER, "`");
+
+            JDBCConnectionConfiguration jdbcConnectionConfiguration = new JDBCConnectionConfiguration();
+            jdbcConnectionConfiguration.setConnectionURL(JDBC_URL);
+            jdbcConnectionConfiguration.setUserId(JDBC_USERNAME);
+            jdbcConnectionConfiguration.setPassword(JDBC_PASSWORD);
+            jdbcConnectionConfiguration.setDriverClass(JDBC_DIVER_CLASS_NAME);
+            context.setJdbcConnectionConfiguration(jdbcConnectionConfiguration);
+
+            PluginConfiguration pluginConfiguration = new PluginConfiguration();
+            pluginConfiguration.setConfigurationType("tk.mybatis.mapper.generator.MapperPlugin");
+            pluginConfiguration.addProperty("mappers", ProjectConstant.MAPPER_INTERFACE_REFERENCE);
+            context.addPluginConfiguration(pluginConfiguration);
+
+            JavaModelGeneratorConfiguration javaModelGeneratorConfiguration = new JavaModelGeneratorConfiguration();
+            javaModelGeneratorConfiguration.setTargetProject(PROJECT_PATH + JAVA_PATH);
+            javaModelGeneratorConfiguration.setTargetPackage(ProjectConstant.MODEL_PACKAGE);
+            context.setJavaModelGeneratorConfiguration(javaModelGeneratorConfiguration);
+
+            SqlMapGeneratorConfiguration sqlMapGeneratorConfiguration = new SqlMapGeneratorConfiguration();
+            sqlMapGeneratorConfiguration.setTargetProject(PROJECT_PATH + RESOURCES_PATH);
+            sqlMapGeneratorConfiguration.setTargetPackage("mapper");
+            context.setSqlMapGeneratorConfiguration(sqlMapGeneratorConfiguration);
+
+            JavaClientGeneratorConfiguration javaClientGeneratorConfiguration = new JavaClientGeneratorConfiguration();
+            javaClientGeneratorConfiguration.setTargetProject(PROJECT_PATH + JAVA_PATH);
+            javaClientGeneratorConfiguration.setTargetPackage(ProjectConstant.MAPPER_PACKAGE);
+            javaClientGeneratorConfiguration.setConfigurationType("XMLMAPPER");
+            context.setJavaClientGeneratorConfiguration(javaClientGeneratorConfiguration);
+
+            TableConfiguration tableConfiguration = new TableConfiguration(context);
+            tableConfiguration.setTableName(tableName);
+            tableConfiguration.setGeneratedKey(new GeneratedKey("id", "Mysql", true, null));
+            context.addTableConfiguration(tableConfiguration);
+
+
+            DefaultShellCallback callback = new DefaultShellCallback(overwrite);
+            Configuration config = new Configuration();
+            config.addContext(context);
+            config.validate();
+            MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
+            myBatisGenerator.generate(null);
+            String modelName = tableNameConvertUpperCamel(tableName);
+            System.out.println(modelName + ".java 生成成功");
+            System.out.println(modelName + "Mapper.java 生成成功");
+            System.out.println(modelName + "Mapper.xml 生成成功");
+        } catch (Exception e) {
+            throw new RuntimeException("生成Model和Mapper失败", e);
+        }
+    }
+
+    public static void genService(String tableName) {
+        try {
+            freemarker.template.Configuration cfg = getConfiguration();
+
+            Map<String, Object> data = new HashMap<>();
+            data.put("date", DATE);
+            data.put("author", AUTHOR);
+            String modelNameUpperCamel = tableNameConvertUpperCamel(tableName);
+            data.put("modelNameUpperCamel", modelNameUpperCamel);
+            data.put("modelNameLowerCamel", tableNameConvertLowerCamel(tableName));
+            data.put("basePackage", ProjectConstant.BASE_PACKAGE);
+
+            File file = new File(PROJECT_PATH + JAVA_PATH + PACKAGE_PATH_SERVICE + modelNameUpperCamel + "Service.java");
+            if (!file.getParentFile().exists()) {
+                file.getParentFile().mkdirs();
+            }
+            cfg.getTemplate("service.ftl").process(data,
+                    new FileWriter(file));
+            System.out.println(modelNameUpperCamel + "Service.java 生成成功");
+
+            File file1 = new File(PROJECT_PATH + JAVA_PATH + PACKAGE_PATH_SERVICE_IMPL + modelNameUpperCamel + "ServiceImpl.java");
+            if (!file1.getParentFile().exists()) {
+                file1.getParentFile().mkdirs();
+            }
+            cfg.getTemplate("service-impl.ftl").process(data,
+                    new FileWriter(file1));
+            System.out.println(modelNameUpperCamel + "ServiceImpl.java 生成成功");
+        } catch (Exception e) {
+            throw new RuntimeException("生成Service失败", e);
+        }
+    }
+
+    public static void genController(String tableName) {
+        try {
+            freemarker.template.Configuration cfg = getConfiguration();
+
+            Map<String, Object> data = new HashMap<>();
+            data.put("date", DATE);
+            data.put("author", AUTHOR);
+            data.put("baseRequestMapping", tableNameConvertMappingPath(tableName));
+            String modelNameUpperCamel = tableNameConvertUpperCamel(tableName);
+            data.put("modelNameUpperCamel", modelNameUpperCamel);
+            data.put("modelNameLowerCamel", tableNameConvertLowerCamel(tableName));
+            data.put("basePackage", ProjectConstant.BASE_PACKAGE);
+
+
+            File file = new File(PROJECT_PATH + JAVA_PATH + PACKAGE_PATH_CONTROLLER + modelNameUpperCamel + "Controller.java");
+            if (!file.getParentFile().exists()) {
+                file.getParentFile().mkdirs();
+            }
+            cfg.getTemplate("controller.ftl").process(data, new FileWriter(file));
+
+            System.out.println(modelNameUpperCamel + "Controller.java 生成成功");
+        } catch (Exception e) {
+            throw new RuntimeException("生成Controller失败", e);
+        }
+
+    }
+
+    private static freemarker.template.Configuration getConfiguration() throws IOException {
+        freemarker.template.Configuration cfg = new freemarker.template.Configuration(freemarker.template.Configuration.VERSION_2_3_23);
+        cfg.setDirectoryForTemplateLoading(new File(TEMPLATE_FILE_PATH));
+        cfg.setDefaultEncoding("UTF-8");
+        cfg.setTemplateExceptionHandler(TemplateExceptionHandler.IGNORE_HANDLER);
+        return cfg;
+    }
+
+
+    private static String tableNameConvertLowerCamel(String tableName) {
+        StringBuilder result = new StringBuilder();
+        if (tableName != null && tableName.length() > 0) {
+            boolean flag = false;
+            for (int i = 0; i < tableName.length(); i++) {
+                char ch = tableName.charAt(i);
+                if ("_".charAt(0) == ch) {
+                    flag = true;
+                } else {
+                    if (flag) {
+                        result.append(Character.toUpperCase(ch));
+                        flag = false;
+                    } else {
+                        result.append(ch);
+                    }
+                }
+            }
+        }
+        return result.toString();
+    }
+
+    private static String tableNameConvertUpperCamel(String tableName) {
+        String camel = tableNameConvertLowerCamel(tableName);
+        return camel.substring(0, 1).toUpperCase() + camel.substring(1);
+
+    }
+
+
+    private static String tableNameConvertMappingPath(String tableName) {
+        return "/" + (tableName.contains("_") ? tableName.replaceAll("_", "/") : tableName);
+    }
+
+}

src/test/java/com/conpany/project/Tester.java

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+package com.conpany.project;
+
+
+import com.company.project.Application;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.Rollback;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * 单元测试继承该类即可
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+@Transactional
+@Rollback
+public abstract class Tester {}
+
+
+

src/test/resources/demo-user.sql

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+/*
+Navicat MySQL Data Transfer
+
+Source Server         : Localhost
+Source Server Version : 50713
+Source Host           : localhost:3306
+Source Database       : test
+
+Target Server Type    : MYSQL
+Target Server Version : 50713
+File Encoding         : 65001
+
+Date: 2017-06-23 14:25:27
+*/
+
+SET FOREIGN_KEY_CHECKS=0;
+
+-- ----------------------------
+-- Table structure for user
+-- ----------------------------
+DROP TABLE IF EXISTS `user`;
+CREATE TABLE `user` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `username` varchar(255) NOT NULL,
+  `password` varchar(255) NOT NULL,
+  `nick_name` varchar(255) DEFAULT NULL,
+  `sex` int(1) DEFAULT NULL,
+  `register_date` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
+
+-- ----------------------------
+-- Records of user
+-- ----------------------------
+INSERT INTO `user` VALUES ('1', '89921218@qq.com', '1ee04e0b1cb5af7367c80c22e42efd8b', '土豆', '1', '2017-06-23 14:24:23');
+SET FOREIGN_KEY_CHECKS=1;

src/test/resources/generator/template/controller.ftl

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+package ${basePackage}.web;
+import ${basePackage}.core.Result;
+import ${basePackage}.core.ResultGenerator;
+import ${basePackage}.model.${modelNameUpperCamel};
+import ${basePackage}.service.${modelNameUpperCamel}Service;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+/**
+* Created by ${author} on ${date}.
+*/
+@RestController
+@RequestMapping("${baseRequestMapping}")
+public class ${modelNameUpperCamel}Controller {
+    @Resource
+    private ${modelNameUpperCamel}Service ${modelNameLowerCamel}Service;
+
+    @PostMapping("/add")
+    public Result add(${modelNameUpperCamel} ${modelNameLowerCamel}) {
+        ${modelNameLowerCamel}Service.save(${modelNameLowerCamel});
+        return ResultGenerator.genSuccessResult();
+    }
+
+    @PostMapping("/delete")
+    public Result delete(Integer id) {
+        ${modelNameLowerCamel}Service.deleteById(id);
+        return ResultGenerator.genSuccessResult();
+    }
+
+    @PostMapping("/update")
+    public Result update(${modelNameUpperCamel} ${modelNameLowerCamel}) {
+        ${modelNameLowerCamel}Service.update(${modelNameLowerCamel});
+        return ResultGenerator.genSuccessResult();
+    }
+    @PostMapping("/detail")
+    public Result detail(Integer id) {
+        ${modelNameUpperCamel} ${modelNameLowerCamel} = ${modelNameLowerCamel}Service.findById(id);
+        return ResultGenerator.genSuccessResult(${modelNameLowerCamel});
+    }
+}

src/test/resources/generator/template/service-impl.ftl

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+package ${basePackage}.service.impl;
+
+import ${basePackage}.dao.${modelNameUpperCamel}Mapper;
+import ${basePackage}.model.${modelNameUpperCamel};
+import ${basePackage}.service.${modelNameUpperCamel}Service;
+import ${basePackage}.core.AbstractService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+
+
+/**
+ * Created by ${author} on ${date}.
+ */
+@Service
+@Transactional
+public class ${modelNameUpperCamel}ServiceImpl extends AbstractService<${modelNameUpperCamel}> implements ${modelNameUpperCamel}Service {
+    @Resource
+    private ${modelNameUpperCamel}Mapper ${modelNameLowerCamel}Mapper;
+
+}

src/test/resources/generator/template/service.ftl

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+package ${basePackage}.service;
+import ${basePackage}.model.${modelNameUpperCamel};
+import ${basePackage}.core.Service;
+
+
+/**
+ * Created by ${author} on ${date}.
+ */
+public interface ${modelNameUpperCamel}Service extends Service<${modelNameUpperCamel}> {
+
+}