What should I do if uniapp img base64 is not displayed?

uniapp img base64 is not displayed because the string is too long and a carriage return is added during transmission. The solution is to recalculate the length and modify the content to "this.captcha.replace(/[\r \n]/g, "")..." That's it.

The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, Dell G3 computer.

Recommended (free): uni-app development tutorial

Specific questions:

uni_app base64 picture display Not displayed?

uni_app The base64 image cannot be displayed, but the src in the image tag actually has a value. I don’t know why?

Solution:

This is caused by adding a carriage return in the transmission when the string is too long

computed:{
captchaSrc(){
return this.captcha.replace(/[\r\n]/g, "");
}
},

Just recalculate.

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