1 String.prototype.format = function (args) { 2 var result = this; 3 if (arguments.length > 0) { 4 var reg; 5 if (arguments.length == 1 && typeof (args) == "object") { 6 for (var key in args) { 7 if (args[key] != undefined) { 8 reg = new RegExp("({" + key + "})", "g"); 9 result = result.replace(reg, args[key]);10 }11 }12 }13 else {14 for (var i = 0; i < arguments.length; i++) {15 if (arguments[i] != undefined) {16 reg = new RegExp("({)" + i + "(})", "g");17 result = result.replace(reg, arguments[i]);18 }19 }20 }21 }22 return result;23 }24 25 window.onload = function() {26 var template1 = "我是{0},今年{1}了";27 var template2 = "我是{name},今年{age}了";28 var result1 = template1.format("loogn", 22);29 var result2 = template2.format({ name: "loogn", age: 22 });30 };
来源:http://www.cnblogs.com/loogn/archive/2011/06/20/2085165.html
原标题:[转]C#中的string.Format()的JS版本
关键词:C#