okHttp请求头与json中文编码

2018-07-18  本文已影响0人  pandaneko

今天遇到两个坑比较有趣
1,okHttp发起的请求会篡改user_agent为okhttp/3.x.x,这样会导致服务器无法辨别客户端类型,可以用以下代码去除:

Request request = new Request.Builder()
                .removeHeader("User-Agent")
                .addHeader("User-Agent",getUserAgent(activity))
                .xxxxxx.build();

其中的getUserAgent(activity)方法:

@SuppressLint("ObsoleteSdkInt")
    private static String getUserAgent(Context context) {
        String userAgent = "";
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            try {
                userAgent = WebSettings.getDefaultUserAgent(context);
            } catch (Exception e) {
                userAgent = System.getProperty("http.agent");
            }
        } else {
            userAgent = System.getProperty("http.agent");
        }
        StringBuffer sb = new StringBuffer();
        for (int i = 0, length = userAgent.length(); i < length; i++) {
            char c = userAgent.charAt(i);
            if (c <= '\u001f' || c >= '\u007f') {
                sb.append(String.format("\\u%04x", (int) c));
            } else {
                sb.append(c);
            }
        }
        return sb.toString();
    }

2,php服务器端在用json_encode编码中文时,无法自动转换为unicode,输出结果为null。
原因是这套程序不是用utf-8写的(无比痛恨),需要临时转换下:

$msg = iconv('gb2312','utf-8','注册成功,正在登陆...');
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