jmeter通过json extrcator或者正则表达式获取json返回信息

1、下载地址，及插件文档资料

https://jmeter-plugins.org/wiki/JSONPathExtractor/

json信息如下

{
"error_code": 0,
"stu_info": [
{
"id": 5047,
"name": "lw",
"sex": "男",
"age": 28,
"addr": "陕西西安高新区32号",
"grade": "天蝎座",
"phone": "15512532946",
"gold": 1600
}
]
}

2、在http请求中添加json path extractor 或者 json extractor或者正则表达式提取器

3、json 插件的配置方式及正则表达式的配置方式

4、查看结果

5、json的使用方法

{ "store": {
    "book": [
      { "category": "reference",
        "author": "Nigel Rees",
        "title": "Sayings of the Century",
        "price": 8.95
      },
      { "category": "fiction",
        "author": "Evelyn Waugh",
        "title": "Sword of Honour",
        "price": 12.99
      },
      { "category": "fiction",
        "author": "Herman Melville",
        "title": "Moby Dick",
        "isbn": "0-553-21311-3",
        "price": 8.99
      },
      { "category": "fiction",
        "author": "J. R. R. Tolkien",
        "title": "The Lord of the Rings",
        "isbn": "0-395-19395-8",
        "price": 22.99
      }
    ],
    "bicycle": {
      "color": "red",
      "price": 19.95
    }
  }
}

XPath	JSONPath	Result
/store/book/author	$.store.book[*].author	the authors of all books in the store
//author	$..author	all authors
/store/*	$.store.*	all things in store, which are some books and a red bicycle.
/store//price	$.store..price	the price of everything in the store.
//book[3]	$..book[2]	the third book
//book[last()]	$..book[(@.length-1)] $..book[-1:]	the last book in order.
//book[position()<3]	$..book[0,1] $..book[:2]	the first two books
//book[isbn]	$..book[?(@.isbn)]	filter all books with isbn number
//book[price<10]	$..book[?(@.price<10)]	filter all books cheapier than 10
//*	$..*	all Elements in XML document. All members of JSON structure.