怎么在IDEA中格式化SQL代碼?很多新手對(duì)此不是很清楚,為了幫助大家解決這個(gè)難題,下面小編將為大家詳細(xì)講解,有這方面需求的人可以來(lái)學(xué)習(xí)下,希望你能有所收獲。
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那么這里的格式化的SQL是怎么實(shí)現(xiàn)的呢??
這里的哈,IDEA的快捷鍵 Ctrl + Alt + L,就可以格式化SQL
補(bǔ)充:解決idea的src目錄下不能編譯SQL語(yǔ)句的xml配置文件的問(wèn)題
1.編譯的目錄下不會(huì)編譯映射配置文件.xml,但是resources目錄中的文件都被編譯出來(lái)。
2.pom.xml文件的配置
<?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.sly</groupId> <artifactId>hrm01</artifactId> <version>1.0-SNAPSHOT</version> <packaging>war</packaging> <name>hrm01 Maven Webapp</name> <!-- FIXME change it to the project's website --> <url>http://www.example.com</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <!-- 導(dǎo)入jar包 1.spring的jar包:11個(gè) com.springsource.org.aopalliance-1.0.0.jar com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar spring-aop-5.0.1.RELEASE.jar spring-aspects-5.0.1.RELEASE.jar spring-beans-5.0.1.RELEASE.jar spring-context-5.0.1.RELEASE.jar spring-core-5.0.1.RELEASE.jar spring-expression-5.0.1.RELEASE.jar spring-jcl-5.0.1.RELEASE.jar spring-jdbc-5.0.1.RELEASE.jar spring-tx-5.0.1.RELEASE.jar --> <!-- https://mvnrepository.com/artifact/org.aopalliance/com.springsource.org.aopalliance --> <dependency> <groupId>org.aopalliance</groupId> <artifactId>com.springsource.org.aopalliance</artifactId> <version>1.0.0</version> </dependency> <!-- https://mvnrepository.com/artifact/org.aspectj/com.springsource.org.aspectj.weaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>com.springsource.org.aspectj.weaver</artifactId> <version>1.6.4.RELEASE</version> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>5.0.10.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>5.1.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jcl</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>5.0.1.RELEASE</version> </dependency> <!--導(dǎo)入jar包 2.springmvc的jar包:2個(gè) spring-web-5.0.1.RELEASE.jar spring-webmvc-5.0.1.RELEASE.jar 3.MyBatis的jar包:13個(gè) mybatis-3.4.2.jar 依賴jar包12個(gè) 4.MyBatis和Spring整合的jar包:1個(gè) mybatis-spring-1.3.1.jar --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.0.1.RELEASE</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.2</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.1</version> </dependency> <!--導(dǎo)入jar包 5.數(shù)據(jù)庫(kù)驅(qū)動(dòng)jar包:1個(gè) mysql-connector-java-5.1.7-bin.jar 6.數(shù)據(jù)源druid的jar包:1個(gè) druid-1.1.5.jar 7.JSTL的jar包:2個(gè) jstl-1.1.2 .jar standard-1.1.2.jar --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.48</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.5</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.1.2</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> <!--導(dǎo)入Tomcat的jar包--> <!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-servlet-api --> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-servlet-api</artifactId> <version>9.0.21</version> </dependency> </dependencies> <build> <finalName>hrm01</finalName> <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --> <plugins> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.1.0</version> </plugin> <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.22.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>3.2.2</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> </plugins> </pluginManagement> </build> </project>
3.控制臺(tái)無(wú)報(bào)錯(cuò)且網(wǎng)頁(yè)報(bào)錯(cuò)404 找不到,或者500如下錯(cuò)誤。
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userHandler': Unsatisfied dependency expressed through field 'userService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl': Unsatisfied dependency expressed through field 'userDao'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'IUserDao' defined in file [D:\Tomcat\apache-tomcat-9.0.27\webapps\hrm01_war\WEB-INF\classes\com\hrm\user\dao\IUserDao.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: org.apache.ibatis.builder.BuilderException: Wrong namespace. Expected 'com.hrm.user.dao.IUserDao' but found 'com.hrm.user.dao.UserDao'.
1.在pom文件中的build標(biāo)簽下配置該屬性即可解決這個(gè)問(wèn)題,但是要注意src前面不要加 / 。
一定不要寫為:(/src/main/java)。
這樣在編譯目錄下xml文件也被編譯。
2.加入該配置后編譯目錄下有了映射配置文件,見(jiàn)上圖IUserDao.xml。
控制臺(tái)可以正常顯示數(shù)據(jù)。
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