本例,可根據數據庫表名,表結構自動生成controller,service,model,dao,mapper.xml ,減少了程序員們的重復勞動,你是不是最煩每次寫新模塊的時候,新建一個controller ,service然后把 簡單的增刪改查 業務重復的寫一邊?只是表名不一樣而已,其他的邏輯幾乎一模一樣,重復到想吐,這位同學(敲黑板!!!),你找到組織了,當你看到這片文章的時候你的問題就解決了,廢話不多說,開始:
1 準備工具
1 IDEA (隨便哪個版本都可以)
2 mybatis-generator(含一對多,一對一插件,密碼:pntd)
3 模版文件
4 jdk 1.8 環境
5 mysql數據庫
2 開始
1 創建一個spring boot 工程 添加勾選 web,mysql,mybatis 依賴
點擊next
注: 可能有的同學會卡到這個界面 一直在resolving ,這時候 點擊左上角file->close project,在進來,刷新下maven 依賴 就可以了,如下圖:
2 添加maven 的pom依賴
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ytx</groupId>
<artifactId>store</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<java.version>1.8</java.version>
</properties>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.10.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.6</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>23.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>tk.mybatis</groupId>
<artifactId>mapper-spring-boot-starter</artifactId>
<version>1.1.4</version>
</dependency>
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.44</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.6</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.23</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-core</artifactId>
<version>1.3.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>4.1.1</version>
</dependency>
<dependency>
<groupId>cn.jpush.api</groupId>
<artifactId>jpush-client</artifactId>
<version>3.3.7</version>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
<version>0.6.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-archetype-plugin</artifactId>
<version>2.2</version>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>aliyun-repos</id>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>aliyun-plugin</id>
<url>http://maven.aliyun.com/nexus/content/groups/public/</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
</project>
2 在src/main/java/com.generator下創建 core 目錄 并拷貝一下代碼到目錄中:
/**
* 項目常量
*/
public final class ProjectConstant {
public static final String BASE_PACKAGE = "com.generator";//項目基礎包名稱,根據自己公司的項目修改
public static final String MODEL_PACKAGE = BASE_PACKAGE + ".model";//Model所在包
public static final String MAPPER_PACKAGE = BASE_PACKAGE + ".dao";//Mapper所在包
public static final String SERVICE_PACKAGE = BASE_PACKAGE + ".service";//Service所在包
public static final String SERVICE_IMPL_PACKAGE = SERVICE_PACKAGE + ".impl";//ServiceImpl所在包
public static final String CONTROLLER_PACKAGE = BASE_PACKAGE + ".web";//Controller所在包
public static final String INPUT_PACKAGE=BASE_PACKAGE+".input";//input 所在包
public static final String MAPPER_INTERFACE_REFERENCE = BASE_PACKAGE + ".core.Mapper";//Mapper插件基礎接口的完全限定名
}
此類定義生成的 包的名字
3 在src/test/java 下創建 CodeGenerator類
/**
* 代碼生成器,根據數據表名稱生成對應的Model、Mapper、Service、Controller簡化開發。
*/
public class CodeGenerator {
//JDBC配置,請修改為你項目的實際配置
private static final String JDBC_URL = "jdbc:mysql://localhost:3306/ytx";
private static final String JDBC_USERNAME = "root";
private static final String JDBC_PASSWORD = "root";
private static final String JDBC_DIVER_CLASS_NAME = "com.mysql.jdbc.Driver";
private static final String PROJECT_PATH = System.getProperty("user.dir");//項目在硬盤上的基礎路徑
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文件路徑
private static final String RESOURCES_PATH = "/src/main/resources";//資源文件路徑
private static final String PACKAGE_PATH_SERVICE = packageConvertPath(SERVICE_PACKAGE);//生成的Service存放路徑
private static final String PACKAGE_PATH_SERVICE_IMPL = packageConvertPath(SERVICE_IMPL_PACKAGE);//生成的Service實現存放路徑
private static final String PACKAGE_PATH_CONTROLLER = packageConvertPath(CONTROLLER_PACKAGE);//生成的Controller存放路徑
private static final String PACKAGE_PATH_INPUT = packageConvertPath(INPUT_PACKAGE);//生成的Input存放路徑
private static final String AUTHOR = "zjz";//@author
private static final String DATE = new SimpleDateFormat("yyyy/MM/dd").format(new Date());//@date
public static void main(String[] args) {
genCode("admin_user");//管理員用戶表
//genCode("user");
genCode("role");//角色表
genCode("menu");//菜單表
genCode("role_menu");//角色—菜單表
genCode("sys_dict");//字典表
//genCodeByCustomModelName("輸入表名","輸入自定義Model名稱");
}
/**
* 通過數據表名稱生成代碼,Model 名稱通過解析數據表名稱獲得,下劃線轉大駝峰的形式。
* 如輸入表名稱 "t_user_detail" 將生成 TUserDetail、TUserDetailMapper、TUserDetailService ...
* @param tableNames 數據表名稱...
*/
public static void genCode(String... tableNames) {
for (String tableName : tableNames) {
String modelName=tableNameConvertUpperCamel(tableName);
genCodeByCustomModelName(tableName, modelName);
}
}
/**
* 通過數據表名稱,和自定義的 Model 名稱生成代碼
* 如輸入表名稱 "t_user_detail" 和自定義的 Model 名稱 "User" 將生成 User、UserMapper、UserService ...
* @param tableName 數據表名稱
* @param modelName 自定義的 Model 名稱
*/
public static void genCodeByCustomModelName(String tableName, String modelName) {
//genModelAndMapper(tableName, modelName);
genService(tableName, modelName);
genController(tableName, modelName);
genInput(tableName,modelName);
// genModelAndMapper();
}
/**
* 自動生成model和mapper
* @param tableName
* @param modelName
*/
public static void genModelAndMapper(String tableName, String modelName) {
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", MAPPER_INTERFACE_REFERENCE);
pluginConfiguration.setConfigurationType("");
context.addPluginConfiguration(pluginConfiguration);
JavaModelGeneratorConfiguration javaModelGeneratorConfiguration = new JavaModelGeneratorConfiguration();
javaModelGeneratorConfiguration.setTargetProject(PROJECT_PATH + JAVA_PATH);
javaModelGeneratorConfiguration.setTargetPackage(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(MAPPER_PACKAGE);
javaClientGeneratorConfiguration.setConfigurationType("XMLMAPPER");
context.setJavaClientGeneratorConfiguration(javaClientGeneratorConfiguration);
TableConfiguration tableConfiguration = new TableConfiguration(context);
tableConfiguration.setTableName(tableName);
if (StringUtils.isNotEmpty(modelName)){
tableConfiguration.setDomainObjectName(modelName);
}
tableConfiguration.setGeneratedKey(new GeneratedKey("id", "Mysql", true, null));
tableConfiguration.setCountByExampleStatementEnabled(true);//通過example 計數
tableConfiguration.setUpdateByExampleStatementEnabled(true);//通過example 修改
tableConfiguration.setDeleteByExampleStatementEnabled(true);//通過example 刪除
tableConfiguration.setSelectByExampleStatementEnabled(true);//通過example 查找
context.addTableConfiguration(tableConfiguration);
List<String> warnings;
MyBatisGenerator generator;
try {
Configuration config = new Configuration();
config.addContext(context);
config.validate();
boolean overwrite = true;
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
warnings = new ArrayList<String>();
generator = new MyBatisGenerator(config, callback, warnings);
generator.generate(null);
} catch (Exception e) {
throw new RuntimeException("生成Model和Mapper失敗", e);
}
if (generator.getGeneratedJavaFiles().isEmpty() || generator.getGeneratedXmlFiles().isEmpty()) {
throw new RuntimeException("生成Model和Mapper失敗:" + warnings);
}
if (StringUtils.isEmpty(modelName)) 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");
}
/**
* 自動生成service
* @param tableName
* @param modelName
*/
public static void genService(String tableName, String modelName) {
try {
freemarker.template.Configuration cfg = getConfiguration();
Map<String, Object> data = new HashMap<>();
data.put("date", DATE);
data.put("author", AUTHOR);
String modelNameUpperCamel = StringUtils.isEmpty(modelName) ? tableNameConvertUpperCamel(tableName) : modelName;
data.put("modelNameUpperCamel", modelNameUpperCamel);
data.put("modelNameLowerCamel", tableNameConvertLowerCamel(tableName));
data.put("basePackage", 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("p-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("p-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失敗", e);
}
}
/**
* 自動生成controller
* @param tableName
* @param modelName
*/
public static void genController(String tableName, String modelName) {
try {
freemarker.template.Configuration cfg = getConfiguration();
Map<String, Object> data = new HashMap<>();
data.put("date", DATE);
data.put("author", AUTHOR);
String modelNameUpperCamel = StringUtils.isEmpty(modelName) ? tableNameConvertUpperCamel(tableName) : modelName;
data.put("baseRequestMapping", modelNameConvertMappingPath(modelNameUpperCamel));
data.put("modelNameUpperCamel", modelNameUpperCamel);
data.put("modelNameLowerCamel", CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, modelNameUpperCamel));
data.put("basePackage", 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-restful.ftl").process(data, new FileWriter(file));
cfg.getTemplate("p-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失敗", e);
}
}
/**
* 自動生成input對象
* @param tableName
* @param modelName
*/
public static void genInput(String tableName, String modelName) {
try {
freemarker.template.Configuration cfg = getConfiguration();
Map<String, Object> data = new HashMap<>();
data.put("date", DATE);
data.put("author", AUTHOR);
String modelNameUpperCamel = StringUtils.isEmpty(modelName) ? tableNameConvertUpperCamel(tableName) : modelName;
//data.put("baseRequestMapping", modelNameConvertMappingPath(modelNameUpperCamel));
data.put("modelNameUpperCamel", modelNameUpperCamel);
//data.put("modelNameLowerCamel", CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, modelNameUpperCamel));
data.put("basePackage", BASE_PACKAGE);
File file = new File(PROJECT_PATH + JAVA_PATH + PACKAGE_PATH_INPUT + modelNameUpperCamel + "Input.java");
if (!file.getParentFile().exists()) {
file.getParentFile().mkdirs();
}
//cfg.getTemplate("controller-restful.ftl").process(data, new FileWriter(file));
cfg.getTemplate("input.ftl").process(data, new FileWriter(file));
System.out.println(modelNameUpperCamel + "Input.java 生成成功");
} catch (Exception e) {
throw new RuntimeException("生成Input失敗", 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) {
return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, tableName.toLowerCase());
}
private static String tableNameConvertUpperCamel(String tableName) {
return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, tableName.toLowerCase());
}
private static String tableNameConvertMappingPath(String tableName) {
tableName = tableName.toLowerCase();//兼容使用大寫的表名
//return "/" + (tableName.contains("_") ? tableName.replaceAll("_", "/") : tableName);
return "/"+tableName;
}
private static String modelNameConvertMappingPath(String modelName) {
String tableName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, modelName);
return tableNameConvertMappingPath(tableName);
}
private static String packageConvertPath(String packageName) {
return String.format("/%s/", packageName.contains(".") ? packageName.replaceAll("\\.", "/") : packageName);
}
}
此類為 代碼自動生成器的主函數,配置說明:
JDBC_URL :數據庫鏈接配置
JDBC_USERNAME: 數據庫賬戶名
JDBC_PASSWORD: 數據庫密碼
只需要配置這三項為你自己數據庫的參數即可, 其他暫時不需要管
4 在src/test目錄下新建文件目錄 resources
5 配置resources 為資源目錄(右鍵resources)
6 在resources 目錄下新建 模版包 generator.template
7 將準備工作中的 模版文件下載下來并放置在此目錄
注:這三個模版分別為 生成input(輸入參數),controller service接口 和serviceImpl 實現類的三個模版 如果需要可自行擴展
8 將準備工作中的mybatis-generator 文件下載下來解壓后放到工程的根目錄
9 打開generator.xml 并編輯
10 配置要生成的表
假設你的數據 表是這樣的:
admin_user 為管理用戶表
menu 為菜單表
role為角色表
role_menu 為角色-菜單 關聯表
sys_dict 為字典表
admin_user 與role 為 1對1 的關系
role與role_menu 為1 對多關系
role_menu與menu 為1對1關系
根據你自己的情況生成1對1 和 1 對多的關系映射
如果不是很清楚怎么配置 可移步到
https://blog.csdn.net/bandaotixiruiqiang/article/details/72478361
進行查看,這里不做太多說明
10 打開idea 的終端
輸入命令
java -jar mybatis.jar -configfile generator.xml -overwrite
敲擊回車 然后model,dao,和xml就自動生成了
(是不是有點小激動?別急高潮還沒到,到了我會叫的)
接下來我們來生成controller 和 service
1 在src/main/java/com/generator/core 目錄中添加Result類
public class Result<T> {
private Integer code;
private String msg;
private T data;
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
2 在src/main/java/com.generator 下添加util 目錄并在目錄中添加ResultUtil 工具類
public class ResultUtil {
public static Result success(Object object){
Result result = new Result();
result.setCode(0);
result.setData(object);
result.setMsg("成功");
return result;
}
public static Result success(){
return success(null);
}
public static Result error(Integer code,String msg){
Result result = new Result();
result.setCode(code);
result.setMsg(msg);
return result;
}
}
3 添加統一異常處理
在src/main/java/com.generator 下添加 enums 目錄并添加 YTXExceptionType 異常類枚舉(名字可自行定義)
public enum YTXExceptionType {//錯誤類定義
CAN_NOT_FIND_VALID_CODE(-1,"未找到驗證碼"),
MOBILE_INCORRECTNESS(-2,"手機號不正確"),
VALID_CODE_INCORRECTNESS(-3,"驗證碼不正確"),
USER_UNKNOWN(-4,"未知用戶"),
USER_INCORRECT_PASSWORD(-5,"密碼不正確"),
USER_ALREADY_EXIST(-6,"用戶已存在"),
DELETE_FAIL(-7,"刪除失敗,id不正確"),
ROLE_ALREADY_EXIST(-8,"角色code已存在"),
ROLE_HAS_ADMIN_USER(-9,"當前角色下含有用戶無法刪除"),
ROLE_NOT_FOUND(-10,"角色不存在"),
MENU_ALREADY_EXIST(-11,"菜單code已存在"),
MENU_DELETE_HAS_SUB(-12,"菜單包含子菜單,請先刪除子菜單"),
MENU_NOT_FOUND(-13,"菜單id不存在"),
ROLE_MENU_ALREADY_EXIST(-14,"當前角色已存在該菜單")
;
private Integer code;
private String msg;
YTXExceptionType(Integer code, String msg){
this.code=code;
this.msg=msg;
}
public Integer getCode() {
return code;
}
public String getMsg() {
return msg;
}
}
在src/main/java/com.generator 下 添加 exception目錄 并添加業務異常類
public class YTXException extends RuntimeException {
private Integer code;
public YTXException(YTXExceptionType exceptionType){
super(exceptionType.getMsg());
this.code=exceptionType.getCode();
}
public YTXException(Integer code, String msg){
super(msg);
this.code = code;
}
public YTXException(YTXExceptionType exceptionType, String msg){
super(msg);
this.code = exceptionType.getCode();
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
}
在src/main/java/com.generator 下添加目錄 handle 并 添加YTXExceptionHandler 異常處理類(名字可自定義)
@ControllerAdvice
public class YTXExceptionHandler {
private static final Logger logger = LoggerFactory.getLogger(YTXExceptionHandler.class);
@ExceptionHandler(value = Exception.class)
@ResponseBody
public Result handle(Exception e){
e.printStackTrace();
if(e instanceof YTXException){//業務異常
YTXException ytxException=(YTXException) e;
return ResultUtil.error(ytxException.getCode(),ytxException.getMessage());
}else if(e instanceof BindException){//參數傳入異常
BindException exception=(BindException)e;
return ResultUtil.error(-99,
"參數:["+exception.getFieldError().getField()+"]錯誤," +exception.getFieldError().getDefaultMessage());
}else if(e instanceof MethodArgumentNotValidException){//參數傳入異常
MethodArgumentNotValidException exception=(MethodArgumentNotValidException)e;
BindingResult result=exception.getBindingResult();
return ResultUtil.error(-99,
"參數:["+result.getFieldError().getField()+"]錯誤," +result.getFieldError().getDefaultMessage());
} else if(e instanceof NoHandlerFoundException) {
String url=((NoHandlerFoundException) e).getRequestURL();
return ResultUtil.error(-99,"未知的接口:"+url);
} else if(e instanceof HttpRequestMethodNotSupportedException) {
String method=((HttpRequestMethodNotSupportedException) e).getMethod();
return ResultUtil.error(-99,"請求方式不正確:"+method);
} else {
logger.error("[系統異常]",e.getMessage());
return ResultUtil.error(-1,"[系統異常]");
}
}
}
好了 墨跡半天終于到了激動人心的時刻了~~~開始生成我們的控制層代碼
打開CodeGenerator
找到main方法,調用genCode() 傳入你的表名 點擊左邊箭頭開始生成
查看下方日志
成功!!
當當當當~~oh~~no~~oh~~yes~~終于生成了我們的代碼
讓我們看下controller
增刪 改查 一個不少
在看下service
實現類:
input 為 定義的常態輸入類 內置了 分頁參數 和 關鍵字參數 可根據你自己的需要進行擴展
終于可以向無聊的重復勞動 說88了~~~喜歡的 點個贊吧~~謝謝