cn.eppdev.jee.utils

Class JSONUtils

java.lang.Object

cn.eppdev.jee.utils.JSONUtils

public class JSONUtils
extends Object

JSON相关的工具类，用于javabean与json字符串的相互转换

Author:

fan.hao

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	logger
private static com.fasterxml.jackson.databind.ObjectMapper	objectMapper

Constructor Summary

Constructors

Constructor and Description
JSONUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	readValue(String jsonStr, Class<T> cls) 将Json字符串转换为Java对象
static <T> T	readValue(String jsonStr, com.fasterxml.jackson.core.type.TypeReference<T> valueTypeRef) 将Json字符串转换为Java对象
static String	toJson(Object obj) 将一个JavaBean转换为Json字符串

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

private static org.slf4j.Logger logger

objectMapper

private static com.fasterxml.jackson.databind.ObjectMapper objectMapper

Constructor Detail

JSONUtils

public JSONUtils()

Method Detail

toJson

public static String toJson(Object obj)

将一个JavaBean转换为Json字符串

Parameters:

obj - 要转换的Java对象

Returns:

转换后的Json字符串

readValue

public static <T> T readValue(String jsonStr,
                              Class<T> cls)

将Json字符串转换为Java对象

Type Parameters:

T - 要转换的Java类型

Parameters:

jsonStr - 要转换的Json串

cls - 目标对象的Java类

Returns:

转化后的Java对象

readValue

public static <T> T readValue(String jsonStr,
                              com.fasterxml.jackson.core.type.TypeReference<T> valueTypeRef)

将Json字符串转换为Java对象

Type Parameters:

T - 要转换的Java类型

Parameters:

jsonStr - 要转换的Json串

valueTypeRef - 类型说明

Returns:

转化后的Java对象