express接受图片

npm i  multiparty --save       文档地址    https://github.com/expressjs/node-multiparty

npm i  images --save           文档地址    https://github.com/aheckmann/gm
 

var multiparty = require('multiparty'); var images = require("images");

　　

router.post('/uploadImage', function(req, res) {

    var form = new multiparty.Form();
    form.parse(req, function(err, fields, files) {
        //   
        images(files.zp[0].path) //Load image from file 
            //加载图像文件
            .size(1920) //Geometric scaling the image to 400 pixels width
            //等比缩放图像到400像素宽

            //在(10,10)处绘制Logo
            .save("public/images/" + "filebigName.png", { //Save the image to a file,whih quality 50
                quality: 80 //保存图片到文件,图片质量为50
            });

    });

});