您的问题是循环完成时会调用您的回调，因此value已更改。@H_419_3@
一种解决方案是使用闭包来存储以下值value：@H_419_3@
for (var value in CourseTitleArray) {
(function(value){
console.log( "Course Title " + CourseTitleArray[value]);
var newImageLocation = path.join(__dirname, 'app/img/courseImages', CourseTitleArray[value] + ".png");
fs.readFile(image.path, function(err, data) {
fs.writeFile(newImageLocation, data, function(err) {
console.log(CourseTitleArray[value] + " was created successfully");
});
});
console.log("Loop executed " + value);
})(value);
}
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