用Spring-MVC / Java保存中文字符

问题描述

我已经在jsp上通过

设置contentType

 <％@ page contentType =text / html; charset = UTF-8％> 
  

我也在jsp中设置了这个标签：

 < META HTTP-EQUIV =content-typeCONTENT =text / html; charset = UTF-8/> 
  

然而，当我提交表单时，控制器会看到与我输入的字符不同的字符。

我正在输入角色我并看到æ??在控制器中。当数据重新显示在页面上时，它会显示相同的错误字符（）。

为什么控制器没有得到正确的字符？

解决方案

在您的web.xml文件中声明一个CharacterEncodingFilter之前，任何其他过滤器

 <滤光器> 
< filter-name> charsetFilter< / filter-name> 
< filter-class> org.springframework.web.filter.CharacterEncodingFilter< / filter-class> 
< init-param> 
< / param-name>编码< / param-name> 
< param-value> UTF-8< /参数值> 
< / init-param> 
< / filter> 
 
< filter-mapping> 
< filter-name> charsetFilter< / filter-name> 
< url-pattern> / *< / url-pattern> 
< / filter-mapping> 
  

在您的jsp文件中，尝试在文件的开头添加它：

 <％@ page language =javacontentType =text / html; charset = UTF-8pageEncoding =UTF-8％> ; 
  

I'm trying to save Chinese characters from a form submit into the database.

I've set the contentType on the jsp via

<%@ page contentType="text/html;charset=UTF-8" %>

I've also set this tag inside the of the jsp:

<META HTTP-EQUIV="content-type" CONTENT="text/html; charset=UTF-8" />

However, when I submit the form, my controller sees a different character than what I entered.

I am entering the character 我 and seeing æ?? in the controller. When the data redisplays on the page, it shows the same wrong character (æ??).

Why isn't the controller getting the correct character?

解决方案

Declare a CharacterEncodingFilter in your web.xml file before any other filter

<filter>
    <filter-name>charsetFilter</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>charsetFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

In your jsp file try adding this at the very start of the file:

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>

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