javascript表单处理具体实现代码(表单、链接、按钮)

前端之家收集整理的这篇文章主要介绍了javascript表单处理具体实现代码(表单、链接、按钮)前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。

本文实例处理各种表单,以及链接,按钮的通用组件,教大家如何对javascript表单处理进行操作,具体内容如下

/**

  • Push button action [btn_action]data into form
  • If there is prescript,run the pre script
    */
    "use strict";
    //All ajax request are synchronized by default
    var ajaxSynchronized = true;
    //All ajax request will be unblock by default
    var ajaxAutoUnblock = true;

var ajax_action_button = function (e){
var btn = $(this);
//Add prescript
var pre_script;
if(pre_script = btn.attr("pre_script")){
var ret = eval(pre_script);
if(ret==false){
return false;
}
}
var btn_action = btn.attr('value');
if(btn_action){
$(this).closest('form').data('btn_action',{ name:'btn_action',value:btn_action }
);
}
};

/**

  • Update the extra form data in FormElement with Form element,Key and Value
    */
    var ajax_update_post_data = function(formEle,k,v){
    var form = $(formEle);
    var post_data = form.data('post_data');
    if( post_data == undefined ){
    post_data = {};
    }

if( v == undefined ){
delete post_data[k];
}else{
post_data[k] = v;
}
form.data('post_data',post_data);
return true;
};

/**

  • Bool CheckBox is special checkBox which needs to keep UNCHECK value
  • And post with ajax form,the form is in the parent
    */
    var bool_checkBox = function(){
    var ipt = $(this);
    var formEle = ipt.closest("form");
    var _check = ipt.prop("checked");
    if(_check){
    ajax_update_post_data(formEle,ipt.attr('name'));
    }else{
    ajax_update_post_data(formEle,ipt.attr('name'),'f');
    }
    };

/**

  • Init the spin number
    */
    var spin_number = function(){
    var spin = $(this);
    var config = {
    lock:true,imageBasePath: '{webpath}/css/images/spin/',btnCss: null,txtCss: null,btnClass:'spin_btn',};
    var interval = spin.attr('interval');
    if(interval){
    config.interval = interval;
    }else{
    config.interval = 1;
    }

var min = spin.attr('min');
if( min ){
config.min = min;
}

var max = spin.attr('max');
if( max ){
config.max = max;
}

spin.spin(config);
return true;
};

/**

  • Init the date input
    */
    var date_input = function(){
    var ipt = $(this);
    var config = {
    offset:[4,0],selectors:true,lang: '{lang}',firstDay : 1,format: 'yyyy-mm-dd',};

var min = ipt.attr('min');
if( min ){
config.min = min;
}

var min = ipt.attr('min');
if( min ){
config.min = min;
}

ipt.dateinput(config);
return true;
};

/**

  • Init the timePicker
    */
    var time_picker = function(){
    var ipt = $(this);
    var config = { };

var step = ipt.attr("step");
if( step ){
config.step = step;
}

ipt.timePicker( config );
return true;
};

/**

  • Generic Ajax Form post function
  • If btn_action is set,then add data into form
  • if returi is set,redirect to returi
  • if reload is set,reload
  • else Show block message
  • the form will be validated.
    */
    var ajax_form_post = function(e){
    var form = $(this);
    var pre_script;
    if(pre_script = form.attr("pre_script")){
    var ret = eval(pre_script);
    if(ret==false){
    return false;
    }
    }
    var errHint = form.find(".formError").first();
    if(errHint.size() == 0){
    errHint = $("#pageError");
    }
    errHint.text('').hide();

//Cleanup the pageError
if(!e.isDefaultPrevented()){
//Hide all .formError
$.blockUI({ message:"{__('L_PROCESSING')}" });
var formArray = form.serializeArray();
var btn_action_data;
var btn_action;
if(btn_action_data = form.data('btn_action')){
formArray.push(btn_action_data);
form.removeData('btn_action');
btn_action = btn_action_data.value;
}else{
btn_action = '';
}

console.log('btn action:'+btn_action);
//Add extra Data
var post_data;
if(post_data = form.data('post_data')){
for (var k in post_data ){
//if post_data[k] is array,need more to do
formArray.push( { name:k,value: post_data[k] } );
}
form.removeData('post_data');
}

$.post(form.attr('action'),formArray,function(json){
if($(window).data('blockUI.isBlocked') == 1){
$.unblockUI();
}
if(json.code === true){
var returi = "";
var retData = "{__('L_PROCESSED')}!";
if(json.data){
retData = json.data;
}

 //TODO Add suppport to allow save and stay
 if(btn_action =='reqonly'){
  if(returi = form.attr('returi')){
   $(window).data('blockUI.returi',returi);
   ajaxAutoUnblock = false;
  }
  $.blockUI({ message:retData,css:{ cursor:'pointer',padding:'4px',border:'3px solid #CC0000',},overlayCSS:{ cursor:'pointer' } });
  $(".blockUI").addClass("blockwarn");
 } //if there is returi set,then return to uri
 else if(returi = form.attr('returi')){
  window.location = returi;
 //Else if reload is set,then will be reload
 }else if(form.attr('reload')!=undefined){
  window.location.reload();
 }else{
  $.blockUI({ message:retData });
  $.unblockUI();
 }
}
else{
 if(typeof (json.data.errmsg) == 'string'){
  errHint.html(json.data).show();
  //$.blockUI({ message:json.data,overlayCSS:{ cursor:'pointer' } });
  //$(".blockUI").addClass("blockwarn");
 }else{
  errHint.html("{Html::text(__('E_FORM'))}").show();
  for(var p in json.data){
   var msg = json.data[p];
   //Process hidden value,None hidden input should has refid refered to hidden value
   //Showing the Server message to ref 
   var ele = form.find("[type=hidden][name="+p+"]");
   if(ele.length){
    delete json.data.p;
    refid = ele.attr("id");
    refname = form.find("[hidden-id="+refid+"]").attr("name");
    json.data[refname]=+msg;
   }

   //Muti check<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a> 
   var ele = form.find("[type=check<a href="https://www.jb51.cc/tag/Box/" target="_blank" class="keywords">Box</a>][name='"+p+"[]']");
   if(ele.length){
    delete json.data.p;
    refname = p+'[]';
    json.data[refname]=+msg;
   }
   //@END
  }
 }
 /*
  * Checking the hidden values 
  */
 form.data("validator").invalidate(json.data);
} },'json');
e.preventDefault();

}else{
errHint.html("{Html::text(__('E_FORM'))}").show();
}
};

/***

  • Reset the input
    */
    var ajax_post_form_hidden = function(){
    var form = $(this);

form.find("[hidden-id]").each(function(){
//Clear the message of Reference
var input = $(this);
var refid = input.attr("hidden-id");
var field = $("#" + refid + "");
//Setup the clear of Errmsg
//Monitor the change event on ID element,remove error message
//of Real input
field.change(function(){
//Hidden input
var hinput = $(this);
//real input
var rinput = $("[hidden-id="+hinput.attr("id")+"]").first();
form.data('validator').reset(rinput)
});
});
};

var validate_hidden_id = function(input) {
var refid = input.attr("hidden-id");
var field = $("#" + refid + "");
var msg = field.attr('msg');
if( !msg ){
msg = "{__('E_NOT_EMPTY')}";
}

return field.val() ? true : msg;
};

var data_equals_validate = function(input) {
var field;
var name = input.attr("data-equals");
field = this.getInputs().filter("[name=" + name + "]");
return input.val() == field.val() ? true : [name];
};

/**

  • Ajax request through link
  • If confirm is set,confirm before send request
  • Support returi and reload
  • Else show block message
    */
    var ajax_link_req = function(){
    var l = $(this);
    var hint = l.attr('hint');
    if(hint){
    var errHint = $(l.attr('hint'));
    errHint.text('').hide();
    }
    //If the confirm message is set,then should be confirmed from client
    if(l.attr('confirm')){
    if(!confirm(l.attr('confirm'))){
    return false;
    }
    }

$.blockUI({ message:"{__('L_PROCESSING')}" });

var pre_script;
if(pre_script = l.attr("pre_script")){
var ret = eval(pre_script);
if(ret==false){
return false;
}
}

var block = l.attr('block');
if(block != undefined){
ajaxAutoUnblock = false ;
}

$.get(l.attr('href'),function(json){
if(json.code == true){
var retData = "{__('L_PROCESSED')}!";
var returi;
//If success to execute funtion for each
var successFunc = l.attr('success');
if(successFunc){
l.each(window[successFunc]);
}

if(json.data){
 retData = json.data; 
}
//IF Require warning before
if( l.attr('value') == 'reqonly'){
 alert(retData);
}else if(returi = l.attr('returi')){
 window.location = returi;
}
else if(l.attr('reload')!=undefined){
 window.location.reload();
}
else{
 $.blockUI({ message:retData,overlayCSS:{ cursor:'pointer' } });
 $(".blockUI").addClass("blockwarn");
}

}else{
//$.unblockUI();
//Only could support Text errmsg
if(hint){
errHint.text(json.data).show();
}else{
alert(json.data);
}
}},'json');
return false;
};

/**

  • Supporting the button base navigation
  • Only jump to new href
    */
    var btn_nav = function(){
    var input = $(this);
    var href = input.attr("href");
    if(href){
    window.location = href;
    }else{
    alert("Href not set");
    }
    return false;
    };

/**

  • Support button base Ajax get method request
  • support returi and reload
    */
    var btn_req = function(){
    var input = $(this);
    var href = input.attr("href");

var hint = input.attr('hint');
if(hint){
var errHint = $(hint).first();
if(errHint.size() == 0){
errHint = $("#pageError");
}
errHint.text('').hide();
}

var block = input.attr('block');
if(block != undefined){
ajaxAutoUnblock = false
}

$.get(href,function(json){
if(json.code == true){
var returi;
if(returi = input.attr('returi')){
window.location = returi;
}
else if(input.attr("reload")!=undefined){
window.location.reload();
}else{
var retData = "{__('L_PROCESSED')}!";
if(json.data){
retData = json.data;
}
$.blockUI({ message:retData,css:{ cursor:'pointer' },overlayCSS:{ cursor:'pointer' } });
}
}else{
if(hint){
$.unblockUI();
errHint.html(json.data.errmsg).show();
}else{
$.blockUI({ message:json.data.errmsg,overlayCSS:{ cursor:'pointer' } });
$(".blockUI").addClass("blockwarn");
}
}
},'json');
return false;
};

/**

  • Generic Ajax CheckBox
  • The default action is prevented and submit real request through URL
    */
    var ajax_checkBox = function(){
    event.preventDefault();
    var action = $(this);
    var url = action.attr('url');
    var _check = action.prop("checked");
    console.log(_check);
    var op ;
    if(_check){
    op = "1";
    }else{
    op = "0";
    }
    $.get(url + op,function(json){
    if(json.code == true){
    if(_check){
    action.prop("checked",true);
    }else{
    action.prop("checked",false);
    }
    return true;
    }else{
    return false;
    }
    },'json');
    };

/**

  • Crete Root picklist
    */
    var picklistinit = function(){
    var _select = $(this);
    var _hidden_id = _select.attr('hidden-id');
    var _un = _select.attr('un');
    var _lovchildren = _select.data('lovtree').c;
    var _rowvalue = _select.data('rowvalue');

$("

//Select the list
if(_rowvalue){
_select.find("[value="+_rowvalue[0]+"]").prop("selected",true);
_select.change();
}
return true;
};

/**

  • Select pick list
    */
    var picklistchange = function (){
    var _select = $(this);
    var _hidden_id = _select.attr('hidden-id');
    var _un = _select.attr('un');

//Remove all the subsequent
var _lovtree = _select.data('lovtree');
var _rowvalue = _select.data('rowvalue');

_select.nextAll().remove();

//This is value of Current Select
var _selected = _select.find(':selected');
if(_selected.attr('is_leaf')=="{DB::T}"){
$("#"+_hidden_id).val(_select.val());
_select.after("");
}else{
var _val = _select.val();
var _k = _selected.attr('k');

//Getting Children list
if(_lovtree.c[_k].c == undefined){
return false;
}
var _c_lovtree = _lovtree.c[_k];

var _c_select = $('