Add JSON format support for WeChat Mini Program message push #3723

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	package cn.binarywang.wx.miniapp.message;

	import cn.binarywang.wx.miniapp.config.WxMaConfig;
	import cn.binarywang.wx.miniapp.json.WxMaGsonBuilder;
	import cn.binarywang.wx.miniapp.util.crypt.WxMaCryptUtils;
	import lombok.AllArgsConstructor;
	import lombok.Builder;
	import lombok.Data;
	import lombok.NoArgsConstructor;
	import lombok.experimental.Accessors;

	import java.io.Serializable;

	/**
	* 微信小程序输出给微信服务器的JSON格式消息.
	*
	* @author <a href="https://github.com/binarywang">Binary Wang</a>
	*/
	@Data
	@Accessors(chain = true)
	@Builder
	@AllArgsConstructor
	@NoArgsConstructor
	public class WxMaJsonOutMessage implements Serializable {
	private static final long serialVersionUID = 4241135225946919154L;

	protected String toUserName;
	protected String fromUserName;
	protected Long createTime;
	protected String msgType;

	/**
	* 转换成JSON格式.
	*/
	public String toJson() {
	return WxMaGsonBuilder.create().toJson(this);
	}

	/**
	* 转换成加密的JSON格式.
	*/
	public String toEncryptedJson(WxMaConfig config) {
	String plainJson = toJson();
	WxMaCryptUtils pc = new WxMaCryptUtils(config);
	return pc.encrypt(plainJson);
	}
	}

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Original file line number	Diff line number	Diff line change
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	package cn.binarywang.wx.miniapp.message;

	import me.chanjar.weixin.common.api.WxConsts;
	import org.testng.annotations.Test;

	import static org.assertj.core.api.Assertions.assertThat;

	public class WxMaJsonOutMessageTest {

	@Test
	public void testToJson() {
	WxMaJsonOutMessage message = WxMaJsonOutMessage.builder()
	.fromUserName("test_from_user")
	.toUserName("test_to_user")
	.msgType(WxConsts.XmlMsgType.TRANSFER_CUSTOMER_SERVICE)
	.createTime(System.currentTimeMillis() / 1000)
	.build();

	String jsonResult = message.toJson();
	assertThat(jsonResult).isNotEmpty();
	assertThat(jsonResult).contains("test_from_user");
	assertThat(jsonResult).contains("test_to_user");
	assertThat(jsonResult).contains(WxConsts.XmlMsgType.TRANSFER_CUSTOMER_SERVICE);

	System.out.println("JSON Output:");
	System.out.println(jsonResult);
	}

	@Test
	public void testEmptyMessage() {
	WxMaJsonOutMessage message = new WxMaJsonOutMessage();
	String jsonResult = message.toJson();
	assertThat(jsonResult).isNotEmpty();
	System.out.println("Empty message JSON:");
	System.out.println(jsonResult);
	}
	}

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