后端判断账号关联是否已经存在！

Signed-off-by: 原志强 <zhiqiang.yuan@cloudcross.com>

src/main/java/com/cloudcross/ssp/web/back/main/ClientAccountController.java

@@ -462,7 +462,21 @@ public class ClientAccountController extends SimpleController{
 		correlationService.addCorrelation(ca);
 		return redirect(page("correlation"));
 	}
-	
+	/**
+	 * 
+	 * 查询是否 存在关联
+	 * 
+	 * @author CloudCross
+	 */
+	@RequestMapping("is_exit")
+	public @ResponseBody String isExitCorrelation(@RequestParam Long operatorId){
+		Correlation  co = correlationService.findCorrelationByOperatorId(operatorId);
+		if(co!=null){
+			return "YES";
+		}else {
+			return "NO";
+		}
+	}
 	
 	@RequestMapping("/exportDataReportExcel")
 	public void exportDataReportExcel(HttpServletRequest request,