How to convert images to base64 in uniapp-uni-app-php.cn

How to convert images to base64 in uniapp

coldplay.xixi

Release： 2023-01-13 00:44:08

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Uniapp's method of converting images to base64: first select the relative path returned by the image; then set the encoding format, the code is [filePath: url,encoding: 'base64',success: res => {console.log (res);].

How to convert images to base64 in uniapp

The operating environment of this tutorial: windows7 system, uni-app2.5.1 version, Dell G3 computer. This method is suitable for all brands of computers.

Uniapp's method of converting pictures to base64:

Convert pictures to base64

            urlTobase64(url){
                // #ifdef MP-WEIXIN
                    uni.getFileSystemManager().readFile({
                        filePath: url, //选择图片返回的相对路径
                        encoding: &#39;base64&#39;, //编码格式
                        success: res => { //成功的回调
                        console.log(res);
                            let base64 = &#39;data:image/jpeg;base64,&#39; + res.data //不加上这串字符，在页面无法显示的哦
                        },fail: (e) => {
                            console.log("图片转换失败");
                        }
                    })
                // #endif
                
                // #ifndef MP-WEIXIN
                    uni.request({
                        url: url,
                        method:&#39;GET&#39;,
                        responseType:&#39;arraybuffer&#39;,
                        success: ress => {
                            let base64 = wx.arrayBufferToBase64(ress.data); //把arraybuffer转成base64 
                            base64 = &#39;data:image/jpeg;base64,&#39; + base64 //不加上这串字符，在页面无法显示的哦
                        },fail: (e) => {
                            console.log("图片转换失败");
                        }
                    })
                // #endif
            }

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