使用Javascript（無jQuery）從外部文件讀取

我正在尋找一種方法來讀取外部文本文件map.txt（分配在我自己的服務器中，而不是客戶端的計算機中）並存儲其中包含的數據在使用Javascript的二維數組map[][]中。使用Javascript（無jQuery）從外部文件讀取

的map.txt文件將被寫滿數字和每次的行具有固定長度：

21123301201200 
12030201303321 
21312 
123123100
12312321221220

所以，我希望它是存儲雙維數組map在這樣的方式map[0][0] = 2和map[13][4] = 0-在這個例子中。這甚至有可能做到嗎？如果是這樣，它是如何完成的？

謝謝！

來源

2012-02-04 federicot

您是在服務器端還是在客戶端使用Javascript？你想讓服務器或客戶端讀取文件嗎？ – supertopi 2012-02-04 22:41:51

我在客戶端使用Javascript，我希望客戶端讀取文件（但文件本身分配在服務器中，而不是客戶端計算機中）。 – federicot 2012-02-04 23:06:53

您可以使用XMLHttpRequest來獲取文件。看一看：http://www.quirksmode.org/js/xmlhttp.html

，利用此功能來創建數組：

function handleRequest(req){ 
    var a=req.responseText.split('\n'); 
    var len=a.length; 
    for(var i=0;i<len;i++){ 
     a[i]=a[i].split(''); 
    } 
    return a; 
}

該函數將返回：

[["2","1","1","2","3","3","0","1","2","0","1","2","0","0"], 
["1","2","0","3","0","2","0","1","3","0","3","3","2","1"], 
["2","2","3","2","1","3","2","1","0","2","1","3","1","2"], 
["1","2","3","1","2","3","1","0","0","0","1","2","3","0"], 
["1","2","3","1","2","3","2","1","2","2","1","2","2","0"]]

使用map[4][13]代替map[13][4]拿到最後一個元素在你的示例

來源

2012-02-04 23:09:53 stewe

謝謝你，那正是我正在尋找的！ – federicot 2012-02-04 23:21:44

使用Javascript（無jQuery）從外部文件讀取

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