转投Idea

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Eclipse出现问题

在前两天BuildShip升级后就出现问题，导致Eclipse中使用Gradle不方便，算了直接试试神器Intellij Idea吧。之前各版本信息：Eclipse(Version: Neon.2 Release (4.6.2))，BuildShip(Version: 2.0.0.v20170111-2019)，Gradle(Version: 3.3)

转向Idea

好嘛，直接导入build.gradle就好了。如果之前不是用Gradle创建的工程，直接在项目目录下加入build.gradle重新导入就可以正常工作。之前在Eclipse中的build.gradle，供以后参考 :)

build.gradle
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apply plugin: 'java'
apply plugin: 'war'
apply plugin: 'eclipse'
apply plugin: 'eclipse-wtp'

sourceCompatibility = 1.8
webAppDirName = 'WebContent'

sourceSets {
    main {
        java {
            srcDir 'src'
        }
        resources {
            srcDir 'resources'
        }
    }
    test {
        java {
            srcDir 'test'
        }
    }
}

eclipse {
    wtp {
        facet {
            facet name: 'jst.web', version: '3.1'
            facet name: 'jst.java', version: '1.8'
        }
    }
}

repositories {
    jcenter()
}

dependencies {
	compile "org.slf4j:slf4j-api:$slf4jVersion"
	compile "org.slf4j:jcl-over-slf4j:$slf4jVersion"
	compile "org.apache.logging.log4j:log4j-slf4j-impl:$log4jVersion"
	compile "org.apache.logging.log4j:log4j-core:$log4jVersion"
	compile "org.apache.logging.log4j:log4j-web:$log4jVersion"
	
    compile "org.springframework:spring-webmvc:$springVersion"
    compile "org.springframework:spring-context-support:$springVersion"
    compile "org.springframework:spring-orm:$springVersion"
    
    //compile "org.springframework:spring-aop:$springVersion"
    //compile "org.aspectj:aspectjweaver:$aspectJ"
    compile "org.aspectj:aspectjrt:$aspectJ"
    
    compile "org.springframework.security:spring-security-web:$springSecurityVersion"
    compile "org.springframework.security:spring-security-config:$springSecurityVersion"
    compile "org.thymeleaf:thymeleaf-spring4:$thymeleafVersion"
    
    // compile "org.springframework.data:spring-data-jpa:$springDataJpaVersion"
    compile "org.mybatis:mybatis:$mybatis"
    compile "org.mybatis:mybatis-spring:$mybatisSpring"
	// compile "com.h2database:h2:$h2Version"
	compile "mysql:mysql-connector-java:$mysqlConnectorVersion"
	// compile "org.hibernate:hibernate-core:$hibernateVersion"
	compile "org.apache.commons:commons-dbcp2:$dbcp2Version"
	// compile "net.sf.ehcache:ehcache:$ehcacheVersion"

	// providedRuntime "javax.servlet.jsp.jstl:jstl:$jstlVersion"
    
    // compile "org.apache.taglibs:taglibs-standard-impl:$taglibVersion"
    compile "org.hibernate:hibernate-validator:$hibernateVersion"
    compile "org.apache.commons:commons-lang3:$commonsLangVersion"
    
    compile "com.fasterxml.jackson.core:jackson-databind:$jacksonVersion"
    
    providedRuntime "javax.servlet:javax.servlet-api:$servletVersion"
    // compile "javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:$jstlApiVersion"
    // providedRuntime "javax.el:javax.el-api:$jspElVersion"

    testCompile "junit:junit:$junitVersion"
    testCompile "org.springframework:spring-test:$springVersion"
    
    configurations.all {
    	exclude group: "commons-logging", module: "commons-logging"
	}
}

这个。。。Eclipse和Idea中的目录结构差别有一些，慢慢适应吧，哈哈。

Idea中MyBatis Mapper.xml问题

Eclipse的时候，Mapper.xml和Mapper.java在一起，直接扫包就OK。转到Idea后，半天没搞定，怀疑是Mapper没有读取。然后试着在Mapper.java中使用Annotation，可以正常使用。然后又放狗狗搜了搜，发现是Idea的事情，编译打包的时候不会把Mapper.xml打包，直接将这对基友分开吧，换个地方。放到resources/mapper下面，再扫这个目录。喜欢将把SQL语句和程序分开，所以用Mapper.xml，在Mapper.java里Annotation写SQL语句感觉太乱，看着不舒服斯基。

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@Bean
public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource) throws IOException {
    SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
    sqlSessionFactoryBean.setDataSource(dataSource);
    sqlSessionFactoryBean.setTypeAliasesPackage("com.liangwu.combustioncal.model");
    PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
    sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath*:mapper/**/*.xml"));
    return sqlSessionFactoryBean;
}

@Bean
public DataSourceTransactionManager transactionManager(DataSource dataSource) {
    return new DataSourceTransactionManager(dataSource);
}

Gradle打包

之前用Hibernate的时候，我这个小项目打包后31M，每次一点小改动，在本机编译，然后scp到远程VPS上，那个速度慢啊，后来又试着将war包放到七牛上，上传速度倒是很快，VPS下载速度也就100多点，不爽。后来换成MyBatis，包小了一半，但还是有16M，也不是太好用。其实Gradle本来就是用来打包的嘛，上网看了看，然后在VPS上又建了一个仓，以后改完直接push后，再gradle build war，蛮爽。后来想直接用git hooks来完成自动布置，可惜失败了。过段时候好好看看Gradle的使用，看看能不能实现。