小编Tun*_*rry的帖子

我尝试将mailChimp API与java代码集成.我在Codenvy.com上参考MailChimp api教程 但是在功能上:

public String execute() throws Exception{

    ListsMethod listsMethod = new ListsMethod();
    listsMethod.apikey = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-us7";
    ListsResult listsResult = mailChimpClient.execute(listsMethod);
    ListInformation data = listsResult.data.get(0);

    CampaignCreateMethod campaignCreateMethod = new CampaignCreateMethod();
    campaignCreateMethod.apikey = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-us7";
    campaignCreateMethod.type = CampaignType.plaintext;
    campaignCreateMethod.options = new Options(data.id, "Test Campaign", "abc@xyz.com", "Codenvy", "Codenvy Users");
    campaignCreateMethod.content = new Content("This is a test campaign");
    String campaignId = mailChimpClient.execute(campaignCreateMethod);

    CampaignSendNowMethod campaignSendNowMethod = new CampaignSendNowMethod();
    campaignSendNowMethod.apikey = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-us7";
    campaignSendNowMethod.cid = campaignId;
    mailChimpClient.execute(campaignSendNowMethod);

    setMessage("You have successfully created a campaign and …

我使用框架struts，我想显示变量java中的json字符串

String test = "{\n  \"fileName\": \"\",\n  \"fileUrl\": \"\",\n  \"accountId\": ,\n  \"totalRow\": \n}";

在浏览器上显示：

并查看 chrome 浏览器源代码：

如何删除第一个和最后一个预标记处的空格以显示漂亮的 json 数据