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Jayway JsonPath 实例     所属分类 jsonpath 浏览量 153
Jayway JsonPath 是 Stefan Goessner JsonPath 的java实现

https://github.com/json-path/JsonPath


com.jayway.jsonpath:json-path:2.7.0


import com.jayway.jsonpath.DocumentContext;
import com.jayway.jsonpath.JsonPath;
import dyyx.util.DataUtil;

public class JsonpathDemo {
	public static void main(String[] args) throws Exception{		
		String json = DataUtil.readStoreSimpleJsonString();
		String expression = "$.store.*";
		DocumentContext documentContext = JsonPath.parse(json);
		Object data = documentContext.read(expression);
                // class net.minidev.json.JSONArray
		System.out.println(data.getClass());
		System.out.println(data.toString());


		// title1
		String titleOfBook0 = (String)documentContext.read("$.store.book[0].title");
		System.out.println(titleOfBook0);

		// title1
		titleOfBook0 = (String)documentContext.read("$['store']['book'][0]['title']");
		System.out.println(titleOfBook0);
	}
}



$.store.* $.store.book[0].title $['store']['book'][0]['title'] 用 . 或 []
store_simple.json { "store": { "book": [ { "category": "A", "author": "A1", "title": "title1", "price": 1.0 }, { "category": "B", "author": "B1", "title": "title2", "price": 2.3 } ], "bicycle": { "color": "red", "price": 19.95 } }, "expensive": 9 }
[[{"category":"A","author":"A1","title":"title1","price":1.0},{"category":"B","author":"B1","title":"title2","price":2.3}],{"color":"red","price":19.95}]
https://gitee.com/dyyx/hellocode/blob/master/demo/aviatordemo/src/main/java/dyyx/jsonpath/JsonpathDemo.java

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