"title":"The Lord of the Rings"> } ~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~ JSON ~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~~☢~ Process finished with exit code 0 数组长度求值 这个就更简单了,求数组长度的一个API。 jsonpath:$..book.length(...
$..book.length() 获取json中book数组的长度 使用JsonPath 最简单最直接的方法是通过静态读取 API。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 String rule3=FileTool.readFileString("D:\\workspace\\jsonpath_study\\src\\main\\java\\com.hong.test\\demo.json","UTF-8");List<String>authors=...
import java.io.BufferedReader; import java.io.FileReader; import java.util.Iterator; import java.util.List; import com.jayway.jsonpath.JsonPath; public class TestJsonPath { public static void main(String[] args) { String sjson = readtxt(); print("---getJsonValue---"); getJsonValue(sjson...
test.testReadMultiKeyOnce(jo, list);//2.0 JSONArray中的查找//2.1 JSON聚集函数 -- 经过测试 fastjson2的JSONPath并不支持max,min等函数//主要测试:min,max,avg,sum(),concat,keys(),length()//查找成员的成员存在一些问题//a.无法同时获取多个数组中的多个key//b.不支持基本的四则运算//c.不支持特定...
(json, "$..author");//All things, both books and bicycles//authors3返回的是net.minidev.json.JSONArray:获取json中store下的所有value值,不包含key,如key有两个,book和bicycleList<Object> authors3 = JsonPath.read(json, "$.store.*");//The price of everything:获取json中store下所有price的值...
public static boolean array_add(Object rootObject, String path, Object... values); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 三、支持语法 以下两种写法的语义是相同的: $.store.book[0].title ...
length()Provides the length of an arrayInteger sum()Provides the sum value of an array of numbersDouble keys()Provides the property keys (An alternative for terminal tilde~)Set<E> concat(X)Provides a concatinated version of the path output with a new itemlike input ...
Zero index corresponds to the first array element. You can also use the last keyword to denote the last array element, which is useful for handling arrays of unknown length. [*] A wildcard array element accessor that returns all array elements. The SQL/JSON path language Similarly to ...
$..book[(@.length-1)]The last book via script subscript $..book[-1:]The last book via slice $..book[0,1]The first two books via subscript union $..book[:2]The first two books via subscript array slice $..book[?(@.isbn)]Filter all books with isbn number ...
条件查询:找到员工Rachel的所有订单。 JsonPath代码如下: File file = newFile("D:\\json\\data.json");Long fileLength = file.length();byte[] fileContent = newbyte[fileLength.intValue()];FileInputStream in= newFileInputStream(file);in.read(fileContent);in.close();StringJsonStr= newString(file...