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我编写了一个应用程序，它通过ID显示图像，所有图像保存并位于S3中。 我在我的AWS机器中有2个实例和1个LB，index.js位于两个实例中。 在我index.js我写的路径，我的S3存储和我得到一个错误信息是这样的：S3连接到应用程序
块引用 此XML文件没有出现有任何相关的样式信息。文档树如下所示。
在index.js代码：
//Get Images Names by Id/Color from MongoDB
var mongoose = require('mongoose');
var db = mongoose.connect('mongodb://db_usr:[email protected]:23550/db_ringapp2016_g');
var userSchema = require('./1_define_schema');
var size = 0;
var express = require('express'),
url = require('url'),
app = express();
var fs = require('fs');
var http = require('http');
var Upload = require('s3-uploader');
var restify = require('restify');
app.listen(process.env.PORT || 3000);
// connection error
mongoose.connection.once('error', function (err) {
console.log('connectiob error' + err);
});
//connecting to DB
mongoose.connection.once('open', function() {
console.log("============================");
console.log("Connected Successfully to DB");
console.log("============================");
userSchema.find({}, function(err, user){
if(err) throw err;
//first route - call first get function from WS.
app.get('/AllPictures' ,
function (req, res) {
console.log("DB: Get all Pictures");
res.status(200).json(user[0].Name);
});
})
//second route - call second function from WS (by Id).
app.get('/PicById/:Id/:Size', function (req, res) {
userSchema.find({Id:req.params.Id} , function(err, user){
if(err) throw err;
console.log("DB: Get Pic by ID: "+req.params.Id+" from MongoDB");
console.log("Name Pic: "+user[0].Name);
console.log("Size Pic: "+req.params.Size);
var temp = user[0].Name.split(".");
var result = temp[0]+req.params.Size+"."+temp[1];
console.log(result);
res.send('<!DOCTYPE HTML><html><head></head><body><img src="https://s3-us-west-2.amazonaws.com/galshaharbucket/'+result+'"></body></html>');
console.log("============================");
})
})
//thired route - call thired get from WS (by Color).
app.get('/PicByColor/:Color', function (req, res) {
userSchema.find({Color:req.params.Color}, function(err, user){
if(err) throw err;
var names = [];
console.log("DB: Get Pic by Color: "+req.params.Color+" from MongoDB");
console.log("--------------------");
for(var i = 0; i<user.length; ++i){
var temp = user[i].Name.split(".");
names [i] = temp[0]+"S."+temp[1];
console.log("Name Pic: "+names [i]);
console.log("--------------------");
}
var temp = [];
for(var i = 0; i<user.length; ++i){
temp [i] = '<img src="https://s3-us-west-2.amazonaws.com/galshaharbucket/'+names [i]+'">'
}
var result = temp.join("");
res.send('<!DOCTYPE HTML><html><head></head><body>'+result+'</body></html>');
console.log("============================");
})
})
app.get('/GetAllPictures', function (req, res) {
userSchema.find({}, function(err, user){
if(err) throw err;
var names = [];
console.log("DB: Get All Pictures from MongoDB");
for(var i = 0; i<user.length; ++i){
var temp = user[i].Name.split(".");
names [i] = temp[0]+"S."+temp[1];
}
var temp = [];
for(var i = 0; i<user.length; ++i){
temp [i] = '<img src="https://s3-us-west-2.amazonaws.com/galshaharbucket/'+names [i]+'">'
}
var result = temp.join("");
res.send('<!DOCTYPE HTML><html><head></head><body>'+result+'</body></html>');
console.log("============================");
})
})
// Upload an image
app.get('/Upload/:Path', function (req, res) {
var knox = require('knox').createClient({
key: 'AKIAJ4ROKKJBECGFSYIA'
, secret: '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'
, bucket: 'galshaharbucket'
});
var file = req.params.Path;
console.log(file);
var upload_name = "upload_"+ file; // or whatever you want it to be called
knox.putFile(file, upload_name, {
"Content-Type": "image/jpeg"
}, function (err, result) {
if (err != null) {
return console.log(err);
} else {
console.log("Uploaded to amazon S3");
console.log("--------------------");
}
});
})
});
// The function that recieve the name from mongo and display it
function getImageById(){
Input = document.getElementById("imageId");
Size = document.getElementById("imageSize");
size=Size.value;
alert(size);
if(Input.value==""){
alert("Please Enter Id Number Between 1-33");
return;
}
url = "https://s3-us-west-2.amazonaws.com/galshaharbucket/PicById/"+Input.value+"/"+Size.value;
//url = 'https://s3-us-west-2.amazonaws.com/galshaharbucket/'+name;
if(Size.value=="L"){
popupWindow = window.open(
url,'popUpWindow','height=658,width=1120,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
if(Size.value=="M"){
popupWindow = window.open(
url,'popUpWindow','height=525,width=820,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
if(Size.value=="S"){
popupWindow = window.open(
url,'popUpWindow','height=330,width=520,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
}
function getImageByColor(str){
Input = document.getElementById("imageColor");
if(Input.value==""){
alert("Please Enter a Color: red/green/blue/yellow");
return;
}
else{
path = "https://s3-us-west-2.amazonaws.com/galshaharbucket/PicByColor/"+Input.value;
popupWindow = window.open(
path,'popUpWindow','height=608,width=1020,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
}
function uploadImage(){
var fileChooser = document.getElementById('path');
var results = document.getElementById('results');
var file = fileChooser.files[0];
alert(file.name);
path = "https://s3-us-west-2.amazonaws.com/galshaharbucket/Upload/"+file.name+"";
popupWindow = window.open(
path,'popUpWindow','height=608,width=1020,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
function getAllPics(){
path = "https://s3-us-west-2.amazonaws.com/galshaharbucket/GetAllPictures";
popupWindow = window.open(
path,'popUpWindow','height=608,width=1020,left=10,top=10,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,location=no,directories=no,status=yes')
}
我怎样才能正确显示图像而不错误？什么会导致这个错误？
谢谢 汤姆