map -> {"contactPhone":"13800000001","result":[{"uuid":467,"update_time":"2023-05-06T16:11:56"}]}提取map中的contactPhone和result 的Java代码
时间: 2023-10-09 16:13:31 浏览: 50
可以使用 Jackson 库来解析 JSON 字符串,示例代码如下:
```java
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
public class JsonParser {
public static void main(String[] args) throws Exception {
String jsonString = "{\"contactPhone\":\"13800000001\",\"result\":[{\"uuid\":467,\"update_time\":\"2023-05-06T16:11:56\"}]}";
ObjectMapper mapper = new ObjectMapper();
JsonNode jsonNode = mapper.readTree(jsonString);
String contactPhone = jsonNode.get("contactPhone").asText();
System.out.println("Contact phone: " + contactPhone);
JsonNode resultNode = jsonNode.get("result");
if (resultNode.isArray()) {
for (JsonNode node : resultNode) {
int uuid = node.get("uuid").asInt();
String updateTime = node.get("update_time").asText();
System.out.println("UUID: " + uuid + ", Update time: " + updateTime);
}
}
}
}
```
输出结果如下:
```
Contact phone: 13800000001
UUID: 467, Update time: 2023-05-06T16:11:56
```
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