No suffix image file reading display problem in Nginx environment

I generated some pictures in PHP (no suffix, actually png file)

When reading with the URL prompts me to download instead of directly display the picture (through the label loading normal), how can I set up to display the picture directly, but not the download.

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I generated some pictures in PHP (no suffix, actually png file)

When reading with the URL prompts me to download instead of directly display the picture (through the label loading normal), how can I set up to display the picture directly, but not the download.

Nginx Add_header.

location /images/ {    add_header content-type "image/png";}

There is an nginx extension called NgxheadersMore, you can modify the response header to change the response of your picture request into a response Content-type

location/png {  Moresetheaders ' Content-type:image/png ';}

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