方法说明:
向请求的客户端发送响应头。
该函数在一个请求内最多只能调用一次,如果不调用,则会自动生成一个响应头。
语法:
response.writeHead(statusCode, [reasonPhrase], [headers])
接收参数:
statusCode HTTP状态码,如200(请求成功),404(未找到)等。
reasonPhrase
headers 类似关联数组的对象,表示响应头的每个属性
例子:
var body = 'hello world';
response.writeHead(200, {
'Content-Length': body.length,
'Content-Type': 'text/plain'
});
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