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//生成邀请码方法一 /*function createInviteCode() { var s = [],a=6,b=10; var chars = "123456789QWERTYUIPASDFGHJKZXCVBNM"; for (var i = 0; i < a; i++) { s[i] = chars.substr(Math.floor(Math.random() * 0xb), 1); } var uuid = s.join(""); documen