/*

* javascript模拟C#中的arraylist * 心伤烟雨

* QQ:909507090

* [url]www.qhjsw.net[/url]

* 更新时间：2012-02-24

*/

function ArrayList() {

this.length = 0;

this.array = new Array();

    //获得指定索引的值this.Item = function (index) {

return this.array[index];

    }

//添加新项this.Add = function (value) {

this.array[this.length] = value;

this.length++;

    }

//移除this.Remove = function (value) {

if (this.length >= 1) {

for (var i = 0; i < this.length; i++) {

if (this.array[i] == value) {

for (var j = i; j < (this.length - 1); j++) {

this.array[j] = this.array[j + 1];

                    }

this.length--;

this.array[this.length] = null;

this.array.length--;

break;

                }

            }

        }

else {

this.length = 0;

        }

    } //插入

this.Insert = function (value, index) {

if (index < 0) { index = 0; }

if ((this.length >= 1) && (index <= this.length)) {

for (var i = this.length; i > index; i--) {

this.array[i] = this.array[i - 1];

            }

this.array[index] = value;

this.length++;

        }

else {

this.Add(value);

        }

    } //判断指定的值是否存在

this.Exist = function (value) {

if (this.length > 1) {

for (var i = 0; i < this.length; i++) {

if (this.array[i] == value) {

return true;

                }

            }

        }

return false;

    }

//清空this.Clear = function () {      //感谢  “阿蔡” 的建议   谢谢 。this.array.length = 0;

this.length = 0;

    }

this.GetArray = function () {

return this.array;

    }

//长度this.Length = function () {

return this.length;

    }

//导入this.Import = function (splitString, splitChar) {

this.array = splitString.split(splitChar);

this.length = this.array.length;

    }

  //以指定分隔符导出，返回字符串this.Export = function (joinChar) {

var strReturn = "";

if (this.length >= 1) {

for (var i = 0; i < this.length; i++) {

                strReturn += this.array[i];

if (i < (this.length - 1)) {

                    strReturn += joinChar;

                }

            }

        }

return strReturn;

    }

}