json
将json数据写入对应的table中。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="jquery-2.0.0.js"></script>
<script type="text/javascript">
function json_value(){
var value_1 = '{"spectrum":[{"spec_freq":111,"spec_type":2, "spec_lo":132},\
{"spec_freq":151,"spec_type":2, "spec_lo":129}],"take":"12fdsafds"}';
var value_2 = eval("("+value_1+")");
//console.log(value_2.spectrum[1].spec_lo);
//alert((value_2.spectrum[1].spec_lo));
console.log(value_2.spectrum.length); //读取数组长度
return value_2.spectrum;
}
function test() {
var spec = ["spec_freq", "spec_type", "spec_lo"];
var spectrum_tol = json_value();
spectrum_tol[1][spec[0]] = 250;
for (index_tol in spectrum_tol)
{
for (index_spec in spec)
{
if (spec[index_spec] != "spec_type")
{
$('[name="'+spec[index_spec]+'"]').eq(index_tol).text(spectrum_tol[index_tol][spec[index_spec]]);
}
else
{
$('[name="'+spec[index_spec]+'"]').eq(index_tol).val(spectrum_tol[index_tol][spec[index_spec]]);
}
}
}
}
</script>
</head>
<body onload="json_value();">
<table border="1" width="90%" align="center">
<tr align="center">
<td name="spec_freq">1</td>
<td width="20%">
<select name="spec_type" style="width:100%" dir="ltr">
<option value="1">1</option>
<option value="2">2</option>
</select>
</td>
<td name="spec_lo">1</td>
</tr>
<tr align="center">
<td name="spec_freq">2</td>
<td>
<select name="spec_type" >
<option value="1">1</option>
<option value="2">2</option>
</select>
</td>
<td name="spec_lo">2</td>
</tr>
</table>
<table width="90%" align="center">
<tr>
<td align="right">
<input type="button" style="width:200px" name="test" value="test" onclick="test();">
</td>
</tr>
</table>
</body>
</html>
