模板渠道

app/Http/Controllers/Admin/TemplateController.php

     public function sourcecreate()
     {
         $templates = Templates::where('is_del', 0)->whereNotNull('url')->get();
-        $back_imgs = TemplatesBackimg::where('is_del', 0)->whereNotNull('back_img')->lists('back_img');
+        $back_imgs = TemplatesBackimg::where('is_del', 0)->whereNotNull('back_img')->where('t_id', 1)->lists('back_img');
         return view('template/sourcecreate', ['templates'=>$templates, 'back_imgs'=>$back_imgs]);
     }
 
      */
     public function sourceedit($id)
     {
-        $templates = Templates::where('is_del', 0)->whereNotNull('url')->get();
-        $back_imgs = TemplatesBackimg::where('is_del', 0)->whereNotNull('back_img')->lists('back_img');
+        $templates = Templates::where('is_del', 0)->whereNotNull('url')->get();      
         $template = TemplatesSource::findOrFail($id);
+        $back_imgs = TemplatesBackimg::where('is_del', 0)->whereNotNull('back_img')->where('t_id', $template->t_id)->lists('back_img');
         return view('template/sourceedit', ['template' => $template, 'id'=>$id, 'templates' => $templates, 'back_imgs'=>$back_imgs]);
     }
 
                 $img=$file['oss-request-url'];
                 $back_img=str_replace("kx-youhuiquan.oss-cn-beijing.aliyuncs.com","imgs.726p.com",$img);
                 #保存背景图
-                $res = TemplatesBackimg::insert(['back_img'=>$back_img]);
+                $t_id = (int)$request->input('t_id');
+                $res = TemplatesBackimg::insert(['back_img'=>$back_img, 't_id'=>$t_id]);
                 exit($back_img);
             }
 
         }
     }
 
+    public function getTempback($t_id){
+        $result = TemplatesBackimg::where('t_id', $t_id)->lists('back_img');
+        exit(json_encode($result));
+    }
+
 
 }
  

app/Http/routes.php

         Route::post('template/sourceupdate',   'Admin\TemplateController@sourceupdate');
         Route::get('template/sourcedelete/{id}',   'Admin\TemplateController@sourcedel');
         Route::post('template/uploadBack/',   'Admin\TemplateController@uploadBack');
+        Route::get('template/getTempback/{id}',   'Admin\TemplateController@getTempback');
 
     });
     

resources/views/template/sourcecreate.blade.php

                         <li class="templates_li">
                             <img class="templates_img" src="{{$item['img']}}"/>
                             <div>
-                                <input type="radio" id="templates_{{$item['id']}}" value="{{$item['id']}}" @if(old('t_id') == $item['id']) checked @endif name="t_id">
+                                <input type="radio" id="templates_{{$item['id']}}" value="{{$item['id']}}" @if(old('t_id') == $item['id']) checked @elseif($item['id'] == 1) checked @else  @endif name="t_id">
                                 <label for="templates_{{$item['id']}}">{{$item['note']}}</label>
                             </div>
                         </li>
                 <label class="form-label col-xs-4 col-sm-2">
                     选择背景图：</label>
                 <div class="formControls col-xs-6 col-sm-7">
-                    @if($back_imgs)
-                    <ul class="templates_ul clear">
+                    <ul class="templates_ul clear" id="img_ul">
+                        @if($back_imgs)
                         @foreach($back_imgs as $k=>$back_img)
                         <li class="templates_li">
                             <img class="templates_img" src="{{$back_img}}"/>
                             </div>
                         </li>
                         @endforeach
-
+                        @endif
                         <li id='upload_img' class="templates_li">
                             <div class="add_div">
                                 <span>+</span>
                                 <input type="file" id="ImgInput" multiple name="img" class="add_img_input" onChange="changeImgID()">
                             </div>
                             <div class="add_img_title">上传新背景图</div>
-
                         </li>
-                    </ul>
-                    @endif
+                        
+                    </ul>                   
                 </div>
             </div>
 
     <script type="text/javascript">
         $(function(){
             setTimeout("$('#error').hide()",3000);
+            getTback();
+
+            $('input[type=radio][name=t_id]').change(function () {
+                getTback();
+            })
         });
         /*返回*/
         function return_index(){
              reader.readAsDataURL(selectedFile);
              reader.onload = function () {
                  //当读取完成后回调这个函数,然后此时文件的内容存储到了result中,直接操作即可
+                 var t_id = $("input[type='radio'][name='t_id']:checked").val();
                  $.ajax({
                     url:'/admin/template/uploadBack',
                     type:'post',
-                    data:{img:this.result,_token:_token},
+                    data:{img:this.result,_token:_token,t_id:t_id},
                     success:function(pic_url){
                         if(pic_url == '0'){
                             alert(pic_url)
 
         }
 
+        function getTback(){
+            var t_id = $("input[type='radio'][name='t_id']:checked").val();
+            if(t_id>0){
+                $.ajax({
+                    url:'/admin/template/getTempback/'+t_id,
+                    type:'get',
+                    dataType:'json',
+                    success:function(data){ 
+                        var str = '';
+                        for (var i = 0, l = data.length; i < l; i++) {
+                            var back_img = data[i];
+                            var str = str+ "<li class=\"templates_li\"><img class=\"templates_img\" src=\""+back_img+"\"\/><div><input type=\"radio\" id=\"bgImg"+i+"\" value=\""+back_img+"\" name=\"back_img\"><label for=\"bgImg"+i+"\">背景图" + (i+1) +"<\/label><\/div><\/li>";
+                        }
+                        str += "<li id='upload_img' class='templates_li'><div class='add_div'><span>+</span><input type='file' id='ImgInput' multiple name='img' class='add_img_input' onChange='changeImgID()'><\/div><div class='add_img_title'>上传新背景图<\/div><\/li>";
+
+                        $("#img_ul").html(str);
+                    },
+
+                })
+            }
+        }
+
     </script>
     </body>
 @endsection

resources/views/template/sourceedit.blade.php

              //获取读取我文件的File对象
             var selectedFile = '';
             var _token = "{{ csrf_token() }}";
+            var t_id = "{{$template['t_id']}}";
             selectedFile = document.getElementById('ImgInput').files[0];
              var reader = new FileReader();
              reader.readAsDataURL(selectedFile);
                  $.ajax({
                     url:'/admin/template/uploadBack',
                     type:'post',
-                    data:{img:this.result,_token:_token},
+                    data:{img:this.result,_token:_token,t_id:t_id},
                     success:function(pic_url){
                         if(pic_url == '0'){
                             alert(pic_url)