fix(数据源): 复制API数据表，增加后缀

frontend/src/lang/en.js

@@ -1641,6 +1641,7 @@ export default {
     has_repeat_name: 'Duplicate API data table name',
     has_repeat_field_name: 'The field name is duplicate, please modify it before selecting',
     api_field_not_empty: 'Field cannot be empty',
+    success_copy: 'Copy succeeded',
     valid: 'Valid',
     invalid: 'Invalid',
     api_step_1: 'Connection API',

frontend/src/lang/tw.js

@@ -1641,6 +1641,7 @@ export default {
     has_repeat_name: 'API 數據表名稱重複',
     has_repeat_field_name: '欄位名重複，請修改後再選擇',
     api_field_not_empty: '欄位不能為空',
+    success_copy: '複製成功',
     valid: '有效',
     invalid: '無效',
     api_step_1: '連接API',

frontend/src/lang/zh.js

@@ -1649,6 +1649,7 @@ export default {
     has_repeat_name: 'API 数据表名称重复',
     has_repeat_field_name: '字段名重复，请修改后再选择',
     api_field_not_empty: '字段不能为空',
+    success_copy: '复制成功',
     valid: '有效',
     invalid: '无效',
     api_step_1: '连接API',

frontend/src/views/system/datasource/DsConfiguration.vue

@@ -1010,8 +1010,21 @@ export default {
     copyItem(item){
       var newItem = JSON.parse(JSON.stringify(item))
       newItem.serialNumber = this.form.apiConfiguration[this.form.apiConfiguration.length - 1].serialNumber + 1
-      newItem.name = item.name + '_copy'
+      var reg = new RegExp(item.name + '_copy_' + '([0-9]*)', "gim");
+      var number = 0
+      for(var i =1;i<this.form.apiConfiguration.length;i++){
+        var match = this.form.apiConfiguration[i].name.match(reg);
+        if (match !== null) {
+          var num = match[0].substring(this.form.apiConfiguration[i].name.length + 5, match[0].length - 1)
+          if( parseInt(num) != NaN && parseInt(num) > number){
+            number =  parseInt(num)
+          }
+        }
+      }
+      number = number + 1
+      newItem.name = item.name + '_copy_' + number
       this.form.apiConfiguration.push(newItem)
+      this.$message.success(i18n.t('datasource.success_copy'))
     },
     addApiItem(item) {
       if (item) {