银联付款用途（NUSAGE）字段根据银联规则增加校验

src_cmb/com/tenwa/sdk/controller/CmbToPayController.java

@@ -75,7 +75,7 @@ public class CmbToPayController extends BaseFlowStartAction {
 			JSONObject jsonObj = JSONObject.fromObject(map);
 			return jsonObj.toString();
 		}*/
-		List<String> contract_id_list = java.util.Arrays.asList(contract_ids.split("@"));
+		List<String> contract_id_list = Arrays.asList(contract_ids.split("@"));
 		if(contract_id_list==null || contract_id_list.size()<=0) {
 			map.put("code", "1") ;
 			map.put("msg", "尚未选择合同,请检查") ;
@@ -352,8 +352,19 @@ public class CmbToPayController extends BaseFlowStartAction {
 			String BNKFLG 	= checkCMB(BANK_NAME);
 			//NUSAGE 			= "客户["+CRTACC+"]发起申请";
 			String BUSNAR 	= "[实际付款][客户:"+CRTACC+"][支付金额:"+TRSAMT+"]";
+			/*
+			*银企直连此字符串的规则：
+			* 0.此字段在银企直连中最大为62
+			* 1.字符串长度为N，那么最多可输入汉字数为（N-2）/2
+			* 2.如果中文中夹杂英文字符或数字，那么要做分段处理，每段汉字长度都要+2。例：“中国TCL集团”是 (2*2+2)+(3)+(2*2+2)=15
+			* */
+			//cusLength:customerName最大长度（以银企直连算法）
+			int cusLength = 62-(2+contractNoZC.length()+contractNo.length());
+			customerName = getCMBlength(customerName,cusLength);
 			NUSAGE = customerName+"-"+contractNoZC+"-"+contractNo;
 
+
+
 			pay_detail = new SDKDcPayReqxVO();
 			pay_detail.setYURREF(YURREF);
 			pay_detail.setDBTACC(DBTACC);
@@ -564,4 +575,40 @@ public class CmbToPayController extends BaseFlowStartAction {
 			return "N";
 		}
 	}
+	private String getCMBlength(String str,int length){
+		int count = 0;
+		boolean ChineseFlag = false;
+		char[] c = str.toCharArray();
+		for(int i = 0; i < c.length; i ++){
+			//二进制超过8位则为汉字
+			String len = Integer.toBinaryString(c[i]);
+			if(ChineseFlag){
+				if(len.length() > 8){
+					count=count+2;
+					ChineseFlag = true;
+				}else{
+					count ++;
+					ChineseFlag = false;
+				}
+			}else{
+				if(len.length() > 8){
+					count=count+2+2;
+					ChineseFlag = true;
+				}else{
+					count ++;
+					ChineseFlag = false;
+				}
+			}
+			if(count==length){
+				str = str.substring(0,i+1);
+				break;
+			}else if(count>length){
+				str = str.substring(0,i);
+				break;
+			}
+
+		}
+		return str;
+
+	}
 }