fix(接口测试): 修复swagger导入失败的缺陷

--bug=1026085 --user=王孝刚 [接口测试]github#24323接口导入-导入 Swagger 文件报“格式错误”
https://www.tapd.cn/55049933/s/1375755

backend/src/main/java/io/metersphere/api/dto/definition/parse/Swagger2Parser.java

@@ -24,6 +24,7 @@ import io.swagger.models.auth.AuthorizationValue;
 import io.swagger.models.parameters.*;
 import io.swagger.models.properties.*;
 import io.swagger.parser.SwaggerParser;
+import lombok.val;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -226,6 +227,7 @@ public class Swagger2Parser extends SwaggerAbstractParser {
         // todo 路径变量 {xxx} 是否要转换
 
         for (Parameter parameter : parameters) {
+            if (StringUtils.isNotBlank(parameter.getIn())) {
                 switch (parameter.getIn()) {
                     case SwaggerParameterType.PATH:
                         parsePathParameters(parameter, request.getRest());
@@ -251,6 +253,7 @@ public class Swagger2Parser extends SwaggerAbstractParser {
                 }
             }
         }
+    }
 
     private String getBodyType(Operation operation) {
         if (CollectionUtils.isEmpty(operation.getConsumes())) {

backend/src/main/java/io/metersphere/api/dto/definition/parse/Swagger3Parser.java

@@ -34,6 +34,7 @@ import io.swagger.v3.parser.core.models.AuthorizationValue;
 import io.swagger.v3.parser.core.models.SwaggerParseResult;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
+import org.apache.commons.lang3.ObjectUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.http.HttpMethod;
 
@@ -626,6 +627,7 @@ public class Swagger3Parser extends SwaggerAbstractParser {
         Schema schema = getSchema(parameter.getSchema());
         Set<String> refSet = new HashSet<>();
         JsonSchemaItem jsonSchemaItem = parseSchema(schema, refSet);
+        if (ObjectUtils.isNotEmpty(jsonSchemaItem)){
             if (MapUtils.isEmpty(jsonSchemaItem.getProperties())) {
                 arguments.add(new KeyValue(queryParameter.getName(), getDefaultValue(queryParameter, jsonSchemaItem), getDefaultStringValue(queryParameter.getDescription()), parameter.getRequired(), getMin(jsonSchemaItem), getMax(jsonSchemaItem)));
             } else {
@@ -638,6 +640,7 @@ public class Swagger3Parser extends SwaggerAbstractParser {
                 });
             }
         }
+    }
 
     private Schema getSchema(Schema schema) {
         if (schema != null && StringUtils.isBlank(schema.get$ref()) && StringUtils.equalsIgnoreCase(schema.getType(), "string")) {