生成微信登录uuid
public static StringgetWxUuid(){
String[] s=new String[36];
String hexDigits ="0123456789abcdef";
for (int i =0; i <36; i++) {
int a=(int)Math.floor((Math.random()*0x10));
s[i] =hexDigits.substring(a,(a+1));
}
s[14] ="4";
// bits 6-7 of the clock_seq_hi_and_reserved to 01
int x=NumberUtils.isRealNumber(s[19])?Integer.parseInt(s[19]):0;
int k=(x&0x3)|0x8;
s[19] = hexDigits.substring(k,k+1);
s[8] = s[13] = s[18] = s[23] ="-";
String uuid =StringUtils.join(s,"");
return uuid;
}
以下是js代码
//生成uuid
function uuid() {
var s = [];
var hexDigits = "0123456789abcdef";
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
console.info("s-->"+s[i]);
}
s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
console.info(s[19]+"---------->"); //7
var k=(s[19] & 0x3) | 0x8;
console.info(k+"-->k"); //11
s[19] = hexDigits.substr(k,1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
console.info(s="--s[19]--");
s[8] = s[13] = s[18] = s[23] = "-";
var uuid = s.join("");
return uuid;
}
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