防止表单重复提交

<a class="submit-bnt" href="javascript:void(0);" οnclick="submitForm()">提交</a>

//禁用提交按钮

unButtonClick($('.submit-bnt'),'unBind','submitForm();');

//取消禁用

unButtonClick($('.submit-bnt'),'','submitForm();');

//函数

function unButtonClick(that,unC,functionN){
if(unC == 'unBind'){
that.removeAttr('onclick');
}else{
that.attr('onclick',functionN);
}
}