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				@@ -279,15 +279,11 @@ export default { 
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				       } else { //  取消 
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				         const arrId = [] 
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				         this.selectedRows.map((item, index) => { 
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				-          this.selectedRows.map((subItem, ind) => { 
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				-            if (item[this.rowKeyName] == subItem[this.rowKeyName]) { 
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				-              arrId.push(index) 
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				-            } 
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				-          }) 
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				-        }) 
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				-        arrId.map((item, index) => { 
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				-          _this.selectedRows = _this.selectedRows.slice(item, item + 1) 
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				+          if(!changeRows.find(subItem => subItem[this.rowKeyName] == item[this.rowKeyName])){ 
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				+            arrId.push(item) 
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				+          } 
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				         }) 
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				+        this.selectedRows = arrId 
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				       } 
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				       this.updateSelect() 
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				     }, 
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