全部案件库的缩略图移动范围修改

src/views/Editor/modules/imageEdAJ.vue

 <!--
  * @Author: your name
  * @Date: 2021-10-22 11:36:10
- * @LastEditTime: 2022-01-18 15:52:01
+ * @LastEditTime: 2022-01-18 17:23:00
  * @LastEditors: Please set LastEditors
  * @Description: In User Settings Edit
  * @FilePath: \指纹系统\founder_vue\src\views\Editor\modules\imageEd.vue
@@ -8077,7 +8077,9 @@ export default {
               s = o.style,
               x,
               y,
-              p = "onmousemove";
+              p = "onmousemove",
+            // 小蓝框拖拽的最小边界值（像素）
+            miniPix=10;
             self.dragableDiv = o
             o.onmousedown = function (e) {
               e.stopPropagation()
@@ -8089,8 +8091,23 @@ export default {
               o[p] = function (e) {
                 e.stopPropagation()
                 e = e || event;
-                s.left = e.clientX - self.x + "px";
-                s.top = e.clientY - self.y + "px";
+              // 判断小蓝框的位置
+              let left=e.clientX - self.x;
+              let top=e.clientY - self.y;
+              if(left>=$(".preview-source").width()-miniPix){
+                left=$(".preview-source").width()-miniPix
+              }else if(left<=-$("#block_small").width()+miniPix){
+                left=-$("#block_small").width()+miniPix
+              }
+              
+              if(top>=$(".preview-source").height()-miniPix){
+                top=$(".preview-source").height()-miniPix
+              }else if(top<=-$("#block_small").height()+miniPix){
+                top=-$("#block_small").height()+miniPix
+              }
+
+              s.left = left + "px";
+              s.top = top + "px";
 
                 // 存下小指纹框当前的位置
                 // self.small_x = e.clientX - self.x;