前+中+后乱码解决

web前端+后台+数据库中文乱码

(1)前台向后台传值,后台打印出来的中文乱码
采用的是springMVC的话,在web.xml中加上如下过滤器,注意向后台提交数据的方式必须是POST方式,get方式无效

  <filter>  
        <filter-name>characterEncodingFilter</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>  
        <init-param>  
            <param-name>forceEncoding</param-name>  
            <param-value>true</param-value>  
        </init-param>  
    </filter>  
    <filter-mapping>  
        <filter-name>characterEncodingFilter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  

(2)数据库中添加中文乱码,看之前那个教程 http://blog.csdn.net/khuangliang/article/details/53366119

(3)后台向数据库传值,数据库中乱码,采用的是spring 整合hibernate的话,配置源这样改

<!-- 配置数据源 -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <property name="url" value="jdbc:mysql://localhost:3306/crawler_paper?useUnicode=true&amp;characterEncoding=UTF-8" />
        <property name="username" value="root" />
        <property name="password" value="root" />
    </bean>

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转载自blog.csdn.net/khuangliang/article/details/53366443