360safeguardnativeapi.md

@@ -72,4 +72,27 @@ req.setContentType(Http.ContentTypeJson)
 req.fetch()
 ```
 
+##### 获取一张图片数据，例如一张验证码
+
+```javascript
+var req = new Http("http://zgcx.nhfpc.gov.cn/pn.aspx");
+//设置为post请求
+req.setMethod(Http.POST);
+//设置user-agent
+req.addHeader("User-Agent","Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36")
+//设置referer
+req.addHeader("Referer","http://jianguan.12301.cn/");
+req.addHeader("Cookie","ASP.NET_SessionId=tdp2ajtfa0pmiqywmli0pmol");
+req.setOnSuccess(function(d){
+     var image = new Image();
+     image.src = d;
+     image.style.position = "absolute"
+     image.style.left = 0;
+     image.style.top = 0;
+     document.body.appendChild(image);
+});
+//设置请求方式为json
+req.setContentType(Http.ContentTypeJson)
+req.fetch()
+```