//引用文件系統(tǒng)模塊
var fs = require("fs");
//引用imageinfo模塊
var imageInfo = require("imageinfo");
//引用images模塊
var images = require('images');
var watermarkImg = images('water_logo.png');
function readFileList(path, filesList) {
var files = fs.readdirSync(path);
files.forEach(function (itm, index) {
var stat = fs.statSync(path + itm);
if (stat.isDirectory()) {
//遞歸讀取文件
readFileList(path + itm + "/", filesList)
} else {
var obj = {};//定義一個對象存放文件的路徑和名字
obj.path = path;//路徑
obj.filename = itm//名字
filesList.push(obj);
}
})
}
var getFiles = {
//獲取文件夾下的所有文件
getFileList: function (path) {
var filesList = [];
readFileList(path, filesList);
return filesList;
},
//獲取文件夾下的所有圖片
getImageFiles: function (path) {
var imageList = [];
this.getFileList(path).forEach((item) => {
var ms = imageInfo(fs.readFileSync(item.path + item.filename));
ms.mimeType && (imageList.push(item.filename))
});
return imageList;
}
};
//獲取文件夾下的所有圖片
var photos = getFiles.getImageFiles("./public/");
for (var i = 0; i < photos.length; i++) {
var sourceImg = images('./public/'+photos[i]);
var sourceImgName = photos[i];
var sWidth = sourceImg.width();
var sHeight = sourceImg.height();
var wmWidth = watermarkImg.width();
var wmHeight = watermarkImg.height();
images(sourceImg)
// 設置繪制的坐標位置，右下角距離 40px
.draw(watermarkImg, sWidth - wmWidth - 40, sHeight - wmHeight - 40)
// 保存格式會自動識別
.save('./saveImg/'+ sourceImgName+'');
}