Much gossip that directly on the work, see the code to understand.
package com.zzcloud.job.common;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.zzcloud.job.common.entity.CheckItemsChild;
public class Test {
public static void main(String[] args) throws Exception {
String json = "[{\r\n" +
" \"checkItemsId\": \"1\",\r\n" +
" \"checkItemsName\": \"aaaaaa1\",\r\n" +
" \"checkPosition\": \"aaaaaa\"\r\n" +
"}, {\r\n" +
" \"checkItemsId\": \"2\",\r\n" +
" \"checkItemsName\": \"bbbbbbb1\",\r\n" +
" \"checkPosition\": \"bbbbbbb\"\r\n" +
"}, {\r\n" +
" \"checkItemsId\": \"3\",\r\n" +
" \"checkItemsName\": \"ccccccc1\",\r\n" +
" \"checkPosition\": \"ccccccc\"\r\n" +
"}, {\r\n" +
" \"checkItemsId\": \"4\",\r\n" +
" \"checkItemsName\": \"dddddddddd1\",\r\n" +
" \"checkPosition\": \"dddddddddd\"\r\n" +
"}, {\r\n" +
" \"checkItemsId\": \"5\",\r\n" +
" \"checkItemsName\": \"eeeeeeeeee1\",\r\n" +
" \"checkPosition\": \"eeeeeeeeee\"\r\n" +
"}, {\r\n" +
" \"checkItemsId\": \"6\",\r\n" +
" \"checkItemsName\": \"ffffffff1\",\r\n" +
" \"checkPosition\": \"ffffffff\"\r\n" +
"}]\r\n" +
"";
ObjectMapper objMapper = new ObjectMapper();
JavaType javaType = getCollectionType(ArrayList.class, CheckItemsChild.class);
List<CheckItemsChild> list = (List<CheckItemsChild>)objMapper.readValue(json, javaType );
list.stream().forEach(p -> System.out.println(p.getCheckItemsName()));
}
public static JavaType getCollectionType(Class<?> collectionClass, Class<?>... elementClasses) {
ObjectMapper mapper = new ObjectMapper();
return mapper.getTypeFactory().constructParametricType(collectionClass, elementClasses);
}
}