js base64 加密或是传sql语句

var mybase64={
keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",


//将Ansi编码的字符串进行Base64编码
encode64:function(input) {
var output = "";
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +this.keyStr.charAt(enc1) + this.keyStr.charAt(enc2)
+ this.keyStr.charAt(enc3) + this.keyStr.charAt(enc4);
chr1 = chr2 = chr3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < input.length);
return output;
},
//将Base64编码字符串转换成Ansi编码的字符串
decode64:function(input) {
var output = "";
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0;


if (input.length % 4 != 0) {
return "";
}
var base64test = /[^A-Za-z0-9\+\/\=]/g;
if (base64test.exec(input)) {
return "";
}
do {
enc1 = this.keyStr.indexOf(input.charAt(i++));
enc2 = this.keyStr.indexOf(input.charAt(i++));
enc3 = this.keyStr.indexOf(input.charAt(i++));
enc4 = this.keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;


output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output += String.fromCharCode(chr2);
}
if (enc4 != 64) {
output += String.fromCharCode(chr3);
}
chr1 = chr2 = chr3 = "";
enc1 = enc2 = enc3 = enc4 = "";
} while (i < input.length);
return output;
},
utf16to8:function (str) {
 var out, i, len, c;


 out = "";
 len = str.length;
 for(i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
 out += str.charAt(i);
} else if (c > 0x07FF) {
 out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
 out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
 out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
} else {
 out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
 out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
}
 }
 return out;
},


utf8to16:function(str) {
 var out, i, len, c;
 var char2, char3;


 out = "";
 len = str.length;
 i = 0;
 while(i < len) {
c = str.charCodeAt(i++);
switch(c >> 4) {
 case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
// 0xxxxxxx
out += str.charAt(i-1);
break;
 case 12: case 13:
// 110x xxxx   10xx xxxx
char2 = str.charCodeAt(i++);
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
break;
 case 14:
// 1110 xxxx  10xx xxxx  10xx xxxx
char2 = str.charCodeAt(i++);
char3 = str.charCodeAt(i++);
out += String.fromCharCode(((c & 0x0F) << 12) |
((char2 & 0x3F) << 6) |
((char3 & 0x3F) << 0));
break;
}
 }
 return out;
}

}

要加密的语句

var aa=mybase64.encode64(mybase64.utf16to8("zymc like '%文%'"))

服务端接受后处理

String key=new String(Base64.decode(key.getBytes()), "UTF-8");