go语言中string(int)会把int当成UTF-8的Unicode值，转换成对应的字符，标准库strconv是专门用来实现基本数据类型和其字符串表示的相互转换。
So I added some code in my css and there are boxes that appear over every image that is attached to a post. I\'ve wanted to number the images and show the image number in the box(1...n). I have this i
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