新增withUA()方法

README.md

@@ -37,7 +37,7 @@ $response = Http::head('http://httpbin.org/head');
 $response = Http::options('http://httpbin.org/options');
 ```
 
-###### 发送 URL 编码的请求
+###### 发送 URL 编码请求
 
 ```php
 // application/json(默认)
@@ -101,6 +101,11 @@ $response = Http::withBasicAuth('username', 'password')->post(...);
 $response = Http::withDigestAuth('username', 'password')->post(...);
 ```
 
+###### 携带 User-Agent 的请求
+```php
+$response = Http::withUA('Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36')->post(...);
+```
+
 ###### 携带Token令牌的请求
 
 ```php
@@ -163,7 +168,6 @@ $response = Http::delay(60)->post(...);
 ```php
 $response = Http::concurrency(10)->promise(...);
 ```
-> 此方法仅在并发请求时生效
 
 #### 异步请求
 

src/Http.php

@@ -14,6 +14,7 @@
  * @method static \Gouguoyin\EasyHttp\Request withHeaders(array $headers)
  * @method static \Gouguoyin\EasyHttp\Request withBasicAuth(string $username, string $password)
  * @method static \Gouguoyin\EasyHttp\Request withDigestAuth(string $username, string $password)
+ * @method static \Gouguoyin\EasyHttp\Request withUA(string $ua)
  * @method static \Gouguoyin\EasyHttp\Request withToken(string $token, string $type = 'Bearer')
  * @method static \Gouguoyin\EasyHttp\Request withCookies(array $cookies, string $domain)
  * @method static \Gouguoyin\EasyHttp\Request withProxy(string|array $proxy)

src/Request.php

@@ -133,9 +133,16 @@ public function withDigestAuth(string $username, string $password)
         return $this;
     }
 
+    public function withUA(string $ua)
+    {
+        $this->options['headers']['User-Agent'] = trim($ua);
+
+        return $this;
+    }
+
     public function withToken(string $token, string $type = 'Bearer')
     {
-        $this->options['headers']['Authorization'] = trim($type.' '.$token);
+        $this->options['headers']['Authorization'] = trim($type . ' ' . $token);
 
         return $this;
     }