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&characterEncoding=UTF-8" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>