我正在http://nodejs.org/docs/v0.4.0/api/http.html#http.request上阅读文档，但由于某种原因，我似乎无法在返回的已完成响应对象上找到body/data属性。
> var res = http.get({host:'www.somesite.com', path:'/'})
> res.finished
true
> res._hasBody
true
它完成了(http。Get为您完成这一工作)，因此它应该有某种内容。但没有尸体，没有数据，我无法从中读取信息。尸体藏在哪里?
当前回答
我还想添加http。由http.get()返回的ClientResponse有一个结束事件，所以这里是我接收正文响应的另一种方式:
var options = {
host: 'www.google.com',
port: 80,
path: '/index.html'
};
http.get(options, function(res) {
var body = '';
res.on('data', function(chunk) {
body += chunk;
});
res.on('end', function() {
console.log(body);
});
}).on('error', function(e) {
console.log("Got error: " + e.message);
});
其他回答
针模也不错，这里有一个使用针模的例子
var needle = require('needle');
needle.get('http://www.google.com', function(error, response) {
if (!error && response.statusCode == 200)
console.log(response.body);
});
一份咖啡:
# My little helper
read_buffer = (buffer, callback) ->
data = ''
buffer.on 'readable', -> data += buffer.read().toString()
buffer.on 'end', -> callback data
# So request looks like
http.get 'http://i.want.some/stuff', (res) ->
read_buffer res, (response) ->
# Do some things with your response
# but don't do that exactly :D
eval(CoffeeScript.compile response, bare: true)
和编译
var read_buffer;
read_buffer = function(buffer, callback) {
var data;
data = '';
buffer.on('readable', function() {
return data += buffer.read().toString();
});
return buffer.on('end', function() {
return callback(data);
});
};
http.get('http://i.want.some/stuff', function(res) {
return read_buffer(res, function(response) {
return eval(CoffeeScript.compile(response, {
bare: true
}));
});
});
我还想添加http。由http.get()返回的ClientResponse有一个结束事件，所以这里是我接收正文响应的另一种方式:
var options = {
host: 'www.google.com',
port: 80,
path: '/index.html'
};
http.get(options, function(res) {
var body = '';
res.on('data', function(chunk) {
body += chunk;
});
res.on('end', function() {
console.log(body);
});
}).on('error', function(e) {
console.log("Got error: " + e.message);
});
如果你想用。get，你可以这样做
http.get(url, function(res){
res.setEncoding('utf8');
res.on('data', function(chunk){
console.log(chunk);
});
});
http。请求文档包含了如何通过处理数据事件接收响应体的示例:
var options = {
host: 'www.google.com',
port: 80,
path: '/upload',
method: 'POST'
};
var req = http.request(options, function(res) {
console.log('STATUS: ' + res.statusCode);
console.log('HEADERS: ' + JSON.stringify(res.headers));
res.setEncoding('utf8');
res.on('data', function (chunk) {
console.log('BODY: ' + chunk);
});
});
req.on('error', function(e) {
console.log('problem with request: ' + e.message);
});
// write data to request body
req.write('data\n');
req.write('data\n');
req.end();
http。Get做的事情与http相同。请求，除非它自动调用req.end()。
var options = {
host: 'www.google.com',
port: 80,
path: '/index.html'
};
http.get(options, function(res) {
console.log("Got response: " + res.statusCode);
res.on("data", function(chunk) {
console.log("BODY: " + chunk);
});
}).on('error', function(e) {
console.log("Got error: " + e.message);
});
