<script>$(function() {  $(‘#submit‘).click(function() {    var d = {};    var t = $(‘form‘).serializeArray();    $.each(t, function() {      d[this.name] = this.value;    });    alert(JSON.stringify(d));  });});</script><form><input id="a1" type="input" value="" name="a1"><br><input id="a2" type="input" value="" name="a2"><br><input id="a3" type="input" value="" name="a3"><br><input id="a4" type="input" value="" name="a4"><br><select id="ax" name="ax"><option value="0">选项1</option><option value="1">选项2</option></select><br><input id="submit" type="button" value="提交" name="submit"></form>