如何在 jquery/javascript 中将下表变成 JSON 字符串?
<table>
<thead>
<tr>
<th>Column 1</th>
<th>Column 2</th>
<th>Column 3</th>
</tr>
</thead>
<tbody>
<tr>
<td>A1</td>
<td>A2</td>
<td>A3</td>
</tr>
<tr>
<td>B1</td>
<td>B2</td>
<td>B3</td>
</tr>
<tr>
<td>C1</td>
<td>C2</td>
<td>C3</td>
</tr>
</tbody>
</table>
我想让它能够在变量“myjson”中获取可在 POST 请求或 GET 请求中使用的 JSON 字符串:
{
"myrows" : [
{
"Column 1" : "A1",
"Column 2" : "A2",
"Column 3" : "A3"
},
{
"Column 1" : "B1",
"Column 2" : "B2",
"Column 3" : "B3"
},
{
"Column 1" : "C1",
"Column 2" : "C2",
"Column 3" : "C3"
}
]
}
实现这一目标的最佳方法是什么? (注意:行数可能不同,我只想提取文本,而忽略表内的其他标签)
Update:有一个稍微改进了 jsFiddle 上解决方案的分支(如下).
你只需要遍历你的表的 DOM 并将其读出......这是甚至还没有接近优化但会给你你想要的结果。 (jsFiddle)
// Loop through grabbing everything
var myRows = [];
var $headers = $("th");
var $rows = $("tbody tr").each(function(index) {
$cells = $(this).find("td");
myRows[index] = {};
$cells.each(function(cellIndex) {
myRows[index][$($headers[cellIndex]).html()] = $(this).html();
});
});
// Let's put this in the object like you want and convert to JSON (Note: jQuery will also do this for you on the Ajax request)
var myObj = {};
myObj.myrows = myRows;
alert(JSON.stringify(myObj));
和输出...
{"myrows":[{"Column 1":"A1","Column 2":"A2","Column 3":"A3"},{"Column 1":"B1","Column 2":"B2","Column 3":"B3"},{"Column 1":"C1","Column 2":"C2","Column 3":"C3"}]}
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