package com.product;
import com.alibaba.fastjson.JSON;
import com.sendgrid.Email;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

public class SendGridAPI {

	private static Logger logger = LoggerFactory.getLogger(SendGridAPI.class);

    public static void main(String[] args) throws Exception {
    }

    /**
     * 组织邮件内容模板
     * @param from 发件方
     * @param to 收件方
     * @param templateId 模板ID
     * @param params 参数
     * @return
     */
    private static String getEmailContent(String from, String to, String templateId, Map<String, String> params){
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("from", new Email(from));
        dataMap.put("template_id", templateId);
        Map<String, Object> persMap = new HashMap<>();
        persMap.put("to", Arrays.asList(new Email(to)));
        persMap.put("dynamic_template_data", params);
        dataMap.put("personalizations", Arrays.asList(persMap));
        return JSON.toJSONString(dataMap);
    }
}