轉自：http://www.ynpxrz.com/n689242c2022.aspx

<script>

var keysArr = new Array("key0", "key1","key2");//可以根據表格的列數新增

function TableToJson(tableid) { //tableid是你要轉化的表的表名，是一個字串，如"example"

var rows = document.getElementById(tableid).rows.length; //獲得行數(包括thead)

var colums = document.getElementById(tableid).rows[0].cells.length; //獲得列數

var json = "[";

var tdValue;

for (var i = 1; i < rows; i++) { //每行

json += "{";

for (var j = 0; j < colums; j++) {

tdName = keysArr[j]; //Json資料的鍵

json += "\""; //加上一個雙引號

json += tdName;

json += "\"";

json += ":";

tdValue = document.getElementById(tableid).rows[i].cells[j].innerHTML;//Json資料的值

if (j === 1) {//第1列是日期格式，需要按照json要求做如下新增

tdValue = "\/Date(" + tdValue + ")\/";

}

json += "\"";

json += tdValue;

json += "\"";

json += ",";

}

json = json.substring(0, json.length - 1);

json += "}";

json += ",";

}

json = json.substring(0, json.length - 1);

json += "]";

return json;

}

</script>