This involves converting the JSON object into a string that can be put in the HTTP POST request body.
这包括将JSON对象转换成可放入HTTP POST请求体中的字符串。
Note that you simply replace the entry in the request, adding the file as the body of the POST request instead.
清注意,只需要替换请求中的条目,添加文件作为POST请求的主体即可。
This code is a simple loop through all posts in a hypothetical posts table, displaying the category and the body of the post.
此代码是一个简单的循环,遍历了一个假想的post表内的所有post,并显示post的类别和它的主体。
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