// 对字符串进行加密
function compileStr (code) {
var c = String.fromCharCode(code.charCodeAt(0) + code.length)
for (var i =1; i < code.length; i++) {
c += String.fromCharCode(code.charCodeAt(i) + code.charCodeAt(i -1))
}
return escape(c)
}
// 对字符串进行解密
function uncompileStr (code ='') {
code =unescape(code)
var c = String.fromCharCode(code.charCodeAt(0) - code.length)
for (var i =1; i < code.length; i++) {
c += String.fromCharCode(code.charCodeAt(i) - c.charCodeAt(i -1))
}
return c
}
