開源中國中MybatisePlus 程式碼自動生成——初體驗通過程式碼生成構建SSM專案
阿新 • • 發佈:2019-02-06
開源中國中有很多優秀的開源專案可以供我們學習。
本次分享的是一個基於Mybatise 程式碼自動生成工具,只需要之前設計資料庫,然後使用自動生成程式碼的工具類,可以將entity,mapper,service,Controller層自動生成。並且實現基礎的功能,增刪查改,以及分頁等效果。
先分享一下網站 Mybatise-Plus。可以自行過去學習。本節主要講基於 這個工具構建SSM 專案,並建立一個簡單的介面
首先設計資料庫:
很簡單的一個表
基於Maven
pom.xml
工具類主要依賴
<!-- Mybatis-Plus --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus</artifactId> <version>${mybaitsplus.version}</version> </dependency>
下面是完整的pom.xml (包括Spring,jdbc,json,log 等)
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.nyist</groupId> <artifactId>WebSockUseMybatisePlus</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>WebSockUseMybatisePlus Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <spring.version>5.0.0.RELEASE</spring.version> <junit.version>4.12</junit.version> <druid.version>1.1.0</druid.version> <fastjson.version>1.2.8</fastjson.version> <mybaitsplus.version>2.1.9</mybaitsplus.version> <mysql.version>5.1.38</mysql.version> <log4j.version>1.2.17</log4j.version> <slf4j.version>1.7.19</slf4j.version> <aspectjweaver.version>1.8.8</aspectjweaver.version> <fileupload.version>1.3.1</fileupload.version> <jstl.version>1.2</jstl.version> </properties> <dependencies> <!-- JUnit --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <!-- Spring MVC --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> <type>jar</type> <scope>compile</scope> </dependency> <!-- AOP --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>${aspectjweaver.version}</version> </dependency> <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <!-- FileUpload --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${fileupload.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <!-- Mybatis-Plus --> <dependency> <groupId>com.baomidou</groupId> <artifactId>mybatis-plus</artifactId> <version>${mybaitsplus.version}</version> </dependency> <!-- Mysql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- Druid --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <!-- FastJson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>${fastjson.version}</version> </dependency> <!-- Log --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> </dependencies> <build> <finalName>WebSockUseMybatisePlus</finalName> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> </build> </project>
工具類:
/**
* <p>
* 程式碼生成器演示
* </p>
*/
public class MySqlGenerator {
/**
* <p>
* MySQL 生成演示
* </p>
*/
public static void main(String[] args) {
AutoGenerator autoGenerator = new AutoGenerator();
System.out.println("開始執行==");
//全域性配置
GlobalConfig globalConfig = new GlobalConfig();
globalConfig.setOutputDir("G:\\StudyWorkSpace\\WebSocketUseMybatisePlus\\WebSockUseMybatisePlus\\src\\main\\java");//自己的專案路徑
globalConfig.setFileOverride(true);
globalConfig.setActiveRecord(true);
globalConfig.setEnableCache(false);// XML 二級快取
globalConfig.setBaseResultMap(true);// XML ResultMap
globalConfig.setBaseColumnList(false);// XML columList
globalConfig.setAuthor("geYang");
//生成檔名:
globalConfig.setXmlName("%sMapper");
globalConfig.setMapperName("%sMapper");
globalConfig.setServiceName("%sService");
globalConfig.setServiceImplName("%sImpl");
globalConfig.setControllerName("%sController");
autoGenerator.setGlobalConfig(globalConfig);
// 資料來源配置
DataSourceConfig dataSourceConfig = new DataSourceConfig();
dataSourceConfig.setDbType(DbType.MYSQL);
dataSourceConfig.setTypeConvert(new MySqlTypeConvert(){
// 自定義資料庫表字段型別轉換【可選】
@Override
public DbColumnType processTypeConvert(String fieldType) {
return super.processTypeConvert(fieldType);
}
});
dataSourceConfig.setDriverName("com.mysql.jdbc.Driver");
dataSourceConfig.setUsername("root");
dataSourceConfig.setPassword("");
dataSourceConfig.setUrl("jdbc:mysql://127.0.0.1:3306/test?characterEncoding=utf8");
autoGenerator.setDataSource(dataSourceConfig);
// 策略配置
StrategyConfig strategyConfig = new StrategyConfig();
// strategyConfig.setCapitalMode(true); // 全域性大寫命名 ORACLE 注意
strategyConfig.setTablePrefix(new String[] { "yj_", "gy_", "d_", "t", "h_"});// 此處可以修改為您的表字首
strategyConfig.setNaming(NamingStrategy.underline_to_camel);
strategyConfig.setInclude(new String[] { "gy_user" }); // 需要生成的表
// strategy.setExclude(new String[]{"test"}); // 排除生成的表
// 自定義實體父類
// strategy.setSuperEntityClass("com.baomidou.demo.TestEntity");
// 自定義實體,公共欄位
// strategy.setSuperEntityColumns(new String[] { "test_id", "age" });
// 自定義 mapper 父類
// strategy.setSuperMapperClass("com.baomidou.demo.TestMapper");
// 自定義 service 父類
// strategy.setSuperServiceClass("com.baomidou.demo.TestService");
// 自定義 service 實現類父類
// strategy.setSuperServiceImplClass("com.baomidou.demo.TestServiceImpl");
// 自定義 controller 父類
// strategy.setSuperControllerClass("com.baomidou.demo.TestController");
// 【實體】是否生成欄位常量(預設 false)
// public static final String ID = "test_id";
// strategy.setEntityColumnConstant(true);
// 【實體】是否為構建者模型(預設 false)
// public User setName(String name) {this.name = name; return this;}
// strategy.setEntityBuliderModel(true);
autoGenerator.setStrategy(strategyConfig);
// 包配置
PackageConfig packageConfig = new PackageConfig();
packageConfig.setParent("com.demo");
packageConfig.setController("controller");
packageConfig.setXml("mybatis.mapper");
autoGenerator.setPackageInfo(packageConfig);
// 注入自定義配置,可以在 VM 中使用 cfg.abc 【可無】
InjectionConfig injectionConfig = new InjectionConfig() {
@Override
public void initMap() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("abc", this.getConfig().getGlobalConfig().getAuthor() + "-mp");
this.setMap(map);
}
};
// 自定義 xxList.jsp 生成
//List<FileOutConfig> focList = new ArrayList<FileOutConfig>();
/*focList.add(new FileOutConfig("/template/list.jsp.vm") {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定義輸入檔名稱
return "D://my_" + tableInfo.getEntityName() + ".jsp";
}
});
cfg.setFileOutConfigList(focList);*/
autoGenerator.setCfg(injectionConfig);
// 調整 xml 生成目錄演示
/*focList.add(new FileOutConfig("/templates/mapper.xml.vm") {
@Override
public String outputFile(TableInfo tableInfo) {
return "/develop/code/xml/" + tableInfo.getEntityName() + ".xml";
}
});
cfg.setFileOutConfigList(focList);*/
// mpg.setCfg(cfg);
// 關閉預設 xml 生成,調整生成 至 根目錄
// TemplateConfig tc = new TemplateConfig();
// tc.setXml(null);
// mpg.setTemplate(tc);
// 自定義模板配置,可以 copy 原始碼 mybatis-plus/src/main/resources/template 下面內容修改,
// 放置自己專案的 src/main/resources/template 目錄下, 預設名稱一下可以不配置,也可以自定義模板名稱
// TemplateConfig tc = new TemplateConfig();
// tc.setController("...");
// tc.setEntity("...");
// tc.setMapper("...");
// tc.setXml("...");
// tc.setService("...");
// tc.setServiceImpl("...");
// 如上任何一個模組如果設定 空 OR Null 將不生成該模組。
// mpg.setTemplate(tc);
// 執行生成
autoGenerator.execute();
// 列印注入設定【可無】
System.err.println(autoGenerator.getCfg().getMap().get("abc"));
}
}
連線完畢,之後執行main 函式 (這裡在自動生成程式碼後,還會有一個(com.nyist.Mapper)包,這裡我已經將包中的配置檔案移到resource中,所以看不到了。
下面進行SSM環境搭建
這裡我的配置檔案路徑如圖
其中Mapper 檔案是從之前自動生成的一過來的。當然可以在生成的時候指定路徑
mybatis-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD SQL Map Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<!--
| plugins在配置檔案中的位置必須符合要求,否則會報錯,順序如下:
| properties?, settings?,
| typeAliases?, typeHandlers?,
| objectFactory?,objectWrapperFactory?,
| plugins?,
| environments?, databaseIdProvider?, mappers?
|-->
<configuration>
<!--
| 全域性配置設定
|
| 可配置選項 預設值, 描述
|
| aggressiveLazyLoading true, 當設定為‘true’的時候,懶載入的物件可能被任何懶屬性全部載入。否則,每個屬性都按需載入。
| multipleResultSetsEnabled true, 允許和不允許單條語句返回多個數據集(取決於驅動需求)
| useColumnLabel true, 使用列標籤代替列名稱。不同的驅動器有不同的作法。參考一下驅動器文件,或者用這兩個不同的選項進行測試一下。
| useGeneratedKeys false, 允許JDBC 生成主鍵。需要驅動器支援。如果設為了true,這個設定將強制使用被生成的主鍵,有一些驅動器不相容不過仍然可以執行。
| autoMappingBehavior PARTIAL, 指定MyBatis 是否並且如何來自動對映資料表字段與物件的屬性。PARTIAL將只自動對映簡單的,沒有巢狀的結果。FULL 將自動對映所有複雜的結果。
| defaultExecutorType SIMPLE, 配置和設定執行器,SIMPLE 執行器執行其它語句。REUSE 執行器可能重複使用prepared statements 語句,BATCH執行器可以重複執行語句和批量更新。
| defaultStatementTimeout null, 設定一個時限,以決定讓驅動器等待資料庫迴應的多長時間為超時
| -->
<settings>
<!-- 這個配置使全域性的對映器啟用或禁用快取 -->
<setting name="cacheEnabled" value="true"/>
<!-- 全域性啟用或禁用延遲載入。當禁用時,所有關聯物件都會即時載入 -->
<setting name="lazyLoadingEnabled" value="true"/>
<setting name="multipleResultSetsEnabled" value="true"/>
<setting name="useColumnLabel" value="true"/>
<setting name="defaultExecutorType" value="REUSE"/>
<setting name="defaultStatementTimeout" value="25000"/>
</settings>
</configuration>
Spring-mvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<mvc:default-servlet-handler/>
<!-- Controller包(自動注入) -->
<context:component-scan base-package="com.nyist.controller"/>
<!-- FastJson注入 -->
<mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<!-- 避免IE執行AJAX時,返回JSON出現下載檔案 -->
<!-- FastJson -->
<bean id="fastJsonHttpMessageConverter"
class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<!-- 這裡順序不能反,一定先寫text/html,不然ie下出現下載提示 -->
<value>text/html;charset=UTF-8</value>
<value>application/json;charset=UTF-8</value>
</list>
</property>
<property name="features">
<array value-type="com.alibaba.fastjson.serializer.SerializerFeature">
<!-- 避免迴圈引用 -->
<value>DisableCircularReferenceDetect</value>
<!-- 是否輸出值為null的欄位 -->
<value>WriteMapNullValue</value>
<!-- 數值欄位如果為null,輸出為0,而非null -->
<value>WriteNullNumberAsZero</value>
<!-- 字元型別欄位如果為null,輸出為"",而非null -->
<value>WriteNullStringAsEmpty</value>
<!-- List欄位如果為null,輸出為[],而非null -->
<value>WriteNullListAsEmpty</value>
<!-- Boolean欄位如果為null,輸出為false,而非null -->
<value>WriteNullBooleanAsFalse</value>
</array>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<!-- 靜態資源配置 -->
<mvc:resources mapping="/resources/**" location="/resources/"/>
<!-- 對模型檢視名稱的解析,即在模型檢視名稱新增前後綴 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"/>
<property name="suffix" value=".html"/>
</bean>
<!-- 上傳限制 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 上傳檔案大小限制為31M,31*1024*1024 -->
<property name="maxUploadSize" value="32505856"/>
</bean>
</beans>
spring-mybaties.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<!-- 配置資料來源 -->
<bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc_url}"/>
<property name="username" value="${jdbc_username}"/>
<property name="password" value="${jdbc_password}"/>
<!-- 初始化連線大小 -->
<property name="initialSize" value="0"/>
<!-- 連線池最大使用連線數量 -->
<property name="maxActive" value="20"/>
<!-- 連線池最大空閒 -->
<property name="maxIdle" value="20"/>
<!-- 連線池最小空閒 -->
<property name="minIdle" value="0"/>
<!-- 獲取連線最大等待時間 -->
<property name="maxWait" value="60000"/>
<property name="validationQuery" value="${validationQuery}"/>
<property name="testOnBorrow" value="false"/>
<property name="testOnReturn" value="false"/>
<property name="testWhileIdle" value="true"/>
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連線,單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000"/>
<!-- 配置一個連線在池中最小生存的時間,單位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="25200000"/>
<!-- 開啟removeAbandoned功能 -->
<property name="removeAbandoned" value="true"/>
<!-- 1800秒,也就是30分鐘 -->
<property name="removeAbandonedTimeout" value="1800"/>
<!-- 關閉abanded連線時輸出錯誤日誌 -->
<property name="logAbandoned" value="true"/>
<!-- 監控資料庫 -->
<property name="filters" value="mergeStat"/>
</bean>
<!-- Spring整合Mybatis,更多檢視文件:http://mp.baomidou.com -->
<bean id="sqlSessionFactory" class="com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 自動掃描Mapping.xml檔案 -->
<property name="mapperLocations" value="classpath:mybatis/*/*.xml"/>
<property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
<property name="typeAliasesPackage" value="com.nyist.*"/>
<!-- <property name="typeEnumsPackage" value="com.baomidou.springmvc.model.enums"/> -->
<property name="plugins">
<array>
<!-- 分頁外掛配置 -->
<bean id="paginationInterceptor" class="com.baomidou.mybatisplus.plugins.PaginationInterceptor">
</bean>
</array>
</property>
<!-- 全域性配置注入 -->
<property name="globalConfig" ref="globalConfig" />
</bean>
<bean id="globalConfig" class="com.baomidou.mybatisplus.entity.GlobalConfiguration">
<!--
AUTO->`0`("資料庫ID自增")
INPUT->`1`(使用者輸入ID")
ID_WORKER->`2`("全域性唯一ID")
UUID->`3`("全域性唯一ID")
-->
<property name="idType" value="2" />
<!--
MYSQL->`mysql`
ORACLE->`oracle`
DB2->`db2`
H2->`h2`
HSQL->`hsql`
SQLITE->`sqlite`
POSTGRE->`postgresql`
SQLSERVER2005->`sqlserver2005`
SQLSERVER->`sqlserver`
-->
<!-- Oracle需要新增該項 -->
<!-- <property name="dbType" value="oracle" /> -->
<!-- 全域性表為下劃線命名設定 true -->
<!-- <property name="dbColumnUnderline" value="true" /> -->
<!-- <property name="metaObjectHandler">
<bean class="com.baomidou.springmvc.common.MyMetaObjectHandler" />
</property>
-->
</bean>
<!-- MyBatis 動態掃描 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.nyist.mapper"/>
</bean>
<!-- 配置事務管理 -->
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<!-- 事務管理 屬性 -->
<tx:advice id="transactionAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED"/>
<tx:method name="append*" propagation="REQUIRED"/>
<tx:method name="save*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="modify*" propagation="REQUIRED"/>
<tx:method name="edit*" propagation="REQUIRED"/>
<tx:method name="insert*" propagation="REQUIRED"/>
<tx:method name="delete*" propagation="REQUIRED"/>
<tx:method name="remove*" propagation="REQUIRED"/>
<tx:method name="repair" propagation="REQUIRED"/>
<tx:method name="get*" propagation="REQUIRED" read-only="true"/>
<tx:method name="find*" propagation="REQUIRED" read-only="true"/>
<tx:method name="load*" propagation="REQUIRED" read-only="true"/>
<tx:method name="search*" propagation="REQUIRED" read-only="true"/>
<tx:method name="datagrid*" propagation="REQUIRED" read-only="true"/>
<tx:method name="*" propagation="REQUIRED" read-only="true"/>
</tx:attributes>
</tx:advice>
<!-- 配置切面 -->
<aop:config>
<aop:pointcut id="transactionPointcut" expression="execution(* com.nyist.service..*.*(..))"/>
<aop:advisor pointcut-ref="transactionPointcut" advice-ref="transactionAdvice"/>
</aop:config>
</beans>
spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context" xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">
<!-- 引入屬性檔案 -->
<context:property-placeholder location="classpath:config.properties"/>
<!-- Service包(自動注入) -->
<context:component-scan base-package="com.nyist.service"/>
<import resource="classpath:spring/spring-mybatis.xml"/>
</beans>
config.properties (配置了資料庫資訊)
validationQuery=SELECT 1
jdbc_url=jdbc:mysql://127.0.0.1:3306/websockdemo?useUnicode=true&characterEncoding=UTF-8&tinyInt1isBit=false
jdbc_username=root
jdbc_password=123456
最後在web.xml中配置攔截器等
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name>Archetype Created Web Application</display-name>
<!-- 載入Spring配置檔案 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring.xml</param-value>
</context-param>
<!-- 字符集 過濾器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring監聽器 -->
<listener>
<description>Spring監聽器</description>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring記憶體溢位監聽器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!-- Spring MVC -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<description>SpringMVC</description>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- Session超時時間 -->
<session-config>
<session-timeout>15</session-timeout>
</session-config>
</web-app>
開發一個介面(判斷登入)
package com.nyist.controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.HttpServletBean;
import com.nyist.entity.User;
import com.nyist.service.UserService;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Controller;
/**
* <p>
* 前端控制器
* </p>
*
* @author Mike.Zhang
* @since 2018-06-12
*/
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired UserService service;
private Map<String,Object> map = new HashMap<String, Object>();
@RequestMapping(value="/judgeLogin",method=RequestMethod.POST)
@ResponseBody
public Map<String,Object> judgeUser(@RequestParam("username")String uname,@RequestParam("password")String pass,HttpServletResponse response){
response.addHeader("Access-Control-Allow-Origin","*");
List<User> list = service.selectList(null);
int i =0 ;
for (User user : list) {
if(uname.equals(user.getUname())&&pass.equals(user.getPassword())) {
map.put("code", 1);
map.put("userid", user.getId());
map.put("msg", "success");
i = 1;
break;
} else {
continue;
}
}
if(i == 0) {
map.put("code", 0);
map.put("userid", null);
map.put("msg", "fail");
}
return map;
}
}
至此可以繼續開發其他介面了