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所有页面编码皆为UTF-8

中文流转过程：action1->js->jsp->action2

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action1：java.net.URLEncoder.encode(username, "UTF-8")

js：不做任何处理，将该变量直接传给jsp

jsp：

String j_username = request.getParameter("userName");?
?Properties props = System.getProperties(); //获得系统属性集???
?String osName = props.getProperty("os.name"); //操作系统名称???
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?if(osName.toLowerCase().indexOf("windows") > -1){
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?} else {
??j_username = new String(j_username.getBytes("ISO8859_1"),"UTF-8");
??j_username = java.net.URLEncoder.encode(j_username, "UTF-8");
?}

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action2：String userName= request.getParameter("userName");

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