java後臺處理亂碼問題

1、前端get傳過來沒問題，經過UTF-8編碼之後，返回前端有問題，可能是Tomcat的編碼設置問題
需要這隻URIEncoding
<Connector port="8080" maxThreads="150" minSpareThreads="25"
maxSpareThreads="75" enableLookups="false" redirectPort="8443"
acceptCount="100" debug="99" connectionTimeout="20000"
disableUploadTimeout="true" URIEncoding="UTF-8"/>
2、
post 亂碼
response.setCharcacterEncoding("utf-8")
get 亂碼 在後臺獲取字符串後對編碼進行轉換
String name = request.getParameter("name");
name=new String(name.getBytes("ISO-8859-1","utf-8"))

post亂碼 web.xml中設置filter
  <!--  爲了能夠處理中文的post請求，
再配置一個encodingFilter，
以避免post請求中文出現亂碼情況：-->
  <filter>
    <filter-name>encodingFileter</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>encodingFileter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  
  3、html中文亂碼
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  4、jsp中文亂碼
  <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>