手机
当前位置:查字典教程网 >编程开发 >Javascript教程 >地址栏传递中文参数乱码在js里用escape转码
地址栏传递中文参数乱码在js里用escape转码
摘要:乱码,乱码,头大,烦,话说设置Tomcat后可以解决,但有的时候不管用了,这时,我们可以考虑转码方式不直接传中文,在js里用escape转码...

乱码,乱码,头大,烦,话说设置Tomcat后可以解决,但有的时候不管用了,这时,我们可以考虑转码方式不直接传中文,在js里用escape转码,记得需要用两次,如:

var str=escape("这是中文参数");

str=escape(str);

xxx.do?name=str;

在后台通过一个类的方法再转回来:

Escape.unescape(request.getParameter("name"));

Escape类如下:

复制代码 代码如下:

package com.laneasy.hy.util;

/**

* js编转码java实现类.

*

* @author yangjinde

*/

public class Escape {

/** The Constant hex. */

private final static String[] hex = { "00", "01", "02", "03", "04", "05",

"06", "07", "08", "09", "0A", "0B", "0C", "0D", "0E", "0F", "10",

"11", "12", "13", "14", "15", "16", "17", "18", "19", "1A", "1B",

"1C", "1D", "1E", "1F", "20", "21", "22", "23", "24", "25", "26",

"27", "28", "29", "2A", "2B", "2C", "2D", "2E", "2F", "30", "31",

"32", "33", "34", "35", "36", "37", "38", "39", "3A", "3B", "3C",

"3D", "3E", "3F", "40", "41", "42", "43", "44", "45", "46", "47",

"48", "49", "4A", "4B", "4C", "4D", "4E", "4F", "50", "51", "52",

"53", "54", "55", "56", "57", "58", "59", "5A", "5B", "5C", "5D",

"5E", "5F", "60", "61", "62", "63", "64", "65", "66", "67", "68",

"69", "6A", "6B", "6C", "6D", "6E", "6F", "70", "71", "72", "73",

"74", "75", "76", "77", "78", "79", "7A", "7B", "7C", "7D", "7E",

"7F", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89",

"8A", "8B", "8C", "8D", "8E", "8F", "90", "91", "92", "93", "94",

"95", "96", "97", "98", "99", "9A", "9B", "9C", "9D", "9E", "9F",

"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "AA",

"AB", "AC", "AD", "AE", "AF", "B0", "B1", "B2", "B3", "B4", "B5",

"B6", "B7", "B8", "B9", "BA", "BB", "BC", "BD", "BE", "BF", "C0",

"C1", "C2", "C3", "C4", "C5", "C6", "C7", "C8", "C9", "CA", "CB",

"CC", "CD", "CE", "CF", "D0", "D1", "D2", "D3", "D4", "D5", "D6",

"D7", "D8", "D9", "DA", "DB", "DC", "DD", "DE", "DF", "E0", "E1",

"E2", "E3", "E4", "E5", "E6", "E7", "E8", "E9", "EA", "EB", "EC",

"ED", "EE", "EF", "F0", "F1", "F2", "F3", "F4", "F5", "F6", "F7",

"F8", "F9", "FA", "FB", "FC", "FD", "FE", "FF" };

/** The Constant val. */

private final static byte[] val = { 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x00, 0x01,

0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,

0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F };

/**

* Escape.

*

* @param s

* the s

*

* @return the string

*/

/**

* 编码

*

* @param s

* @return

*/

public static String escape(String s) {

if (s != null) {

StringBuffer sbuf = new StringBuffer();

int len = s.length();

for (int i = 0; i < len; i++) {

int ch = s.charAt(i);

if ('A' <= ch && ch <= 'Z') {

sbuf.append((char) ch);

} else if ('a' <= ch && ch <= 'z') {

sbuf.append((char) ch);

} else if ('0' <= ch && ch <= '9') {

sbuf.append((char) ch);

} else if (ch == '-' || ch == '_' || ch == '.' || ch == '!'

|| ch == '~' || ch == '*' || ch == ''' || ch == '('

|| ch == ')') {

sbuf.append((char) ch);

} else if (ch <= 0x007F) {

sbuf.append('%');

sbuf.append(hex[ch]);

} else {

sbuf.append('%');

sbuf.append('u');

sbuf.append(hex[(ch >>> 8)]);

sbuf.append(hex[(0x00FF & ch)]);

}

}

return sbuf.toString();

}

return null;

}

/**

* Unescape.

*

* @param s

* the s

*

* @return the string

*/

/**

* 解码 说明:本方法保证 不论参数s是否经过escape()编码,均能得到正确的“解码”结果

*

* @param s

* @return

*/

public static String unescape(String s) {

if (s != null) {

StringBuffer sbuf = new StringBuffer();

int i = 0;

int len = s.length();

while (i < len) {

int ch = s.charAt(i);

if ('A' <= ch && ch <= 'Z') {

sbuf.append((char) ch);

} else if ('a' <= ch && ch <= 'z') {

sbuf.append((char) ch);

} else if ('0' <= ch && ch <= '9') {

sbuf.append((char) ch);

} else if (ch == '-' || ch == '_' || ch == '.' || ch == '!'

|| ch == '~' || ch == '*' || ch == ''' || ch == '('

|| ch == ')') {

sbuf.append((char) ch);

} else if (ch == '%') {

int cint = 0;

if ('u' != s.charAt(i + 1)) {

cint = (cint << 4) | val[s.charAt(i + 1)];

cint = (cint << 4) | val[s.charAt(i + 2)];

i += 2;

} else {

cint = (cint << 4) | val[s.charAt(i + 2)];

cint = (cint << 4) | val[s.charAt(i + 3)];

cint = (cint << 4) | val[s.charAt(i + 4)];

cint = (cint << 4) | val[s.charAt(i + 5)];

i += 5;

}

sbuf.append((char) cint);

} else {

sbuf.append((char) ch);

}

i++;

}

return sbuf.toString();

}

return null;

}

}

【地址栏传递中文参数乱码在js里用escape转码】相关文章:

两表格传递变量

jQuery实现不断闪烁文字的方法

javaScript中push函数用法实例分析

JavaScript中exec函数用法实例分析

Jquery注册事件实现方法

Email地址加密javascript版

Javascript生成全局唯一标识符(GUID,UUID)的方法

javaScript中with函数用法实例分析

用 或 || 来兼容FireFox

javascript动态创建表格及添加数据实例详解

精品推荐
分类导航