dashboard: Support setting value pattern for client IP and host in gateway flow rule dialog (#1325)

sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/gateway/GatewayFlowRuleController.java

@@ -146,18 +146,17 @@ public class GatewayFlowRuleController {
                     return Result.ofFail(-1, "fieldName can't be null or empty");
                 }
                 itemEntity.setFieldName(paramItem.getFieldName());
+            }
 
-                String pattern = paramItem.getPattern();
-                // 如果匹配串不为空，验证匹配模式
-                if (StringUtil.isNotEmpty(pattern)) {
-                    itemEntity.setPattern(pattern);
-
-                    Integer matchStrategy = paramItem.getMatchStrategy();
-                    if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
-                        return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
-                    }
-                    itemEntity.setMatchStrategy(matchStrategy);
+            String pattern = paramItem.getPattern();
+            // 如果匹配串不为空，验证匹配模式
+            if (StringUtil.isNotEmpty(pattern)) {
+                itemEntity.setPattern(pattern);
+                Integer matchStrategy = paramItem.getMatchStrategy();
+                if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
+                    return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
                 }
+                itemEntity.setMatchStrategy(matchStrategy);
             }
         }
 
@@ -292,18 +291,17 @@ public class GatewayFlowRuleController {
                     return Result.ofFail(-1, "fieldName can't be null or empty");
                 }
                 itemEntity.setFieldName(paramItem.getFieldName());
+            }
 
-                String pattern = paramItem.getPattern();
-                // 如果匹配串不为空，验证匹配模式
-                if (StringUtil.isNotEmpty(pattern)) {
-                    itemEntity.setPattern(pattern);
-
-                    Integer matchStrategy = paramItem.getMatchStrategy();
-                    if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
-                        return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
-                    }
-                    itemEntity.setMatchStrategy(matchStrategy);
+            String pattern = paramItem.getPattern();
+            // 如果匹配串不为空，验证匹配模式
+            if (StringUtil.isNotEmpty(pattern)) {
+                itemEntity.setPattern(pattern);
+                Integer matchStrategy = paramItem.getMatchStrategy();
+                if (!Arrays.asList(PARAM_MATCH_STRATEGY_EXACT, PARAM_MATCH_STRATEGY_CONTAINS, PARAM_MATCH_STRATEGY_REGEX).contains(matchStrategy)) {
+                    return Result.ofFail(-1, "invalid matchStrategy: " + matchStrategy);
                 }
+                itemEntity.setMatchStrategy(matchStrategy);
             }
         } else {
             entity.setParamItem(null);

sentinel-dashboard/src/main/webapp/resources/app/views/dialog/gateway/flow-rule-dialog.html

@@ -70,7 +70,7 @@
 						</div>
 					</div>
 
-					<div class="form-group" ng-if="currentRule.paramItem != null && (currentRule.paramItem.parseStrategy == 2 || currentRule.paramItem.parseStrategy == 3 || currentRule.paramItem.parseStrategy == 4)">
+					<div class="form-group" ng-if="currentRule.paramItem != null">
 						<label class="col-sm-2 control-label">属性值匹配</label>
 						<div class="col-sm-2">
 							<label class="checkbox-inline">