1 function S4() { 2 return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1); 3 } 4 function NewGuid() { 5 return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4()); 6 }
原文：http://www.cnblogs.com/YrXzJ1026/p/4039637.html