解決利用Okhttp+Retrofit 傳送網路請求得到json是unicode
阿新 • • 發佈：2019-01-03
我們在用Okhttp和Retrofit傳送網路請求時，得到的json中漢子是unicode編碼，如圖
此時我們需要在Okhttp初始化的時候設定它的網路編輯器，同時將返回值的編碼改成UTF-8.
之前設定的OKhttp
HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); logging.setLevel(HttpLoggingInterceptor.Level.BODY); OkHttpClient client = new OkHttpClient.Builder() .retryOnConnectionFailure(true) .connectTimeout(1800, TimeUnit.SECONDS) .readTimeout(1800, TimeUnit.SECONDS) .writeTimeout(1800, TimeUnit.SECONDS) .addNetworkInterceptor(logging) .addInterceptor(new Interceptor() { @Override public Response intercept(Chain chain) throws IOException { Request request = chain.request().newBuilder() .header("is_app", "1") .build(); return chain.proceed(request); } }).build();
我們可以將HttpLoggingInterceptor裡面的Logger介面實現我們自己的一個方式，打印出我們想要的資料。那麼我們可以如下操作：
1.新建一個類HttpLogger，讓它實現HttpLoggingInterceptor的Logger
public class HttpLogger implements HttpLoggingInterceptor.Logger { private StringBuilder mMessage = new StringBuilder(); private static final String TAG = "HttpLogger"; @Override public void log(String message) { // 請求或者響應開始 if (message.startsWith("--> POST")) { mMessage.setLength(0); } // 以{}或者[]形式的說明是響應結果的json資料，需要進行格式化 if ((message.startsWith("{") && message.endsWith("}")) || (message.startsWith("[") && message.endsWith("]"))) { message = JsonUtil.formatJson(JsonUtil.decodeUnicode(message)); } mMessage.append(message.concat("\n")); // 響應結束，列印整條日誌 if (message.startsWith("<-- END HTTP")) { MyLogger.d(TAG,mMessage.toString()); } } }
這樣我們就實現了我們自己列印log的方式。
2.新建JsonUtil的工具類，看一下：
public class JsonUtil { /** * 格式化json字串 * * @param jsonStr 需要格式化的json串 * @return 格式化後的json串 */ public static String formatJson(String jsonStr) { if (null == jsonStr || "".equals(jsonStr)) return ""; StringBuilder sb = new StringBuilder(); char last = '\0'; char current = '\0'; int indent = 0; for (int i = 0; i < jsonStr.length(); i++) { last = current; current = jsonStr.charAt(i); //遇到{ [換行，且下一行縮排 switch (current) { case '{': case '[': sb.append(current); sb.append('\n'); indent++; addIndentBlank(sb, indent); break; //遇到} ]換行，當前行縮排 case '}': case ']': sb.append('\n'); indent--; addIndentBlank(sb, indent); sb.append(current); break; //遇到,換行 case ',': sb.append(current); if (last != '\\') { sb.append('\n'); addIndentBlank(sb, indent); } break; default: sb.append(current); } } return sb.toString(); } /** * 新增space * * @param sb * @param indent */ private static void addIndentBlank(StringBuilder sb, int indent) { for (int i = 0; i < indent; i++) { sb.append('\t'); } } /** * http 請求資料返回 json 中中文字元為 unicode 編碼轉漢字轉碼 * * @param theString * @return 轉化後的結果. */ public static String decodeUnicode(String theString) { char aChar; int len = theString.length(); StringBuffer outBuffer = new StringBuffer(len); for (int x = 0; x < len; ) { aChar = theString.charAt(x++); if (aChar == '\\') { aChar = theString.charAt(x++); if (aChar == 'u') { int value = 0; for (int i = 0; i < 4; i++) { aChar = theString.charAt(x++); switch (aChar) { case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': value = (value << 4) + aChar - '0'; break; case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': value = (value << 4) + 10 + aChar - 'a'; break; case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': value = (value << 4) + 10 + aChar - 'A'; break; default: throw new IllegalArgumentException( "Malformed \\uxxxx encoding."); } } outBuffer.append((char) value); } else { if (aChar == 't') aChar = '\t'; else if (aChar == 'r') aChar = '\r'; else if (aChar == 'n') aChar = '\n'; else if (aChar == 'f') aChar = '\f'; outBuffer.append(aChar); } } else outBuffer.append(aChar); } return outBuffer.toString(); } }
它有兩個方法：a 將打印出來的資料更清晰化 b 將unicode編碼改成utf-8
3.將新建的HttpLogger新增到網路請求攔截器中
HttpLogger httpLogger = new HttpLogger();
HttpLoggingInterceptor logging = new HttpLoggingInterceptor(httpLogger);
logging.setLevel(HttpLoggingInterceptor.Level.BODY);
OkHttpClient client = new OkHttpClient.Builder()
.retryOnConnectionFailure(true)
.connectTimeout(1800, TimeUnit.SECONDS)
.readTimeout(1800, TimeUnit.SECONDS)
.writeTimeout(1800, TimeUnit.SECONDS)
.addNetworkInterceptor(logging)
.addInterceptor(new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request().newBuilder()
.header("is_app", "1")
.build();
return chain.proceed(request);
}
}).build();HttpLogger httpLogger = new HttpLogger();
HttpLoggingInterceptor logging = new HttpLoggingInterceptor(httpLogger);
logging.setLevel(HttpLoggingInterceptor.Level.BODY);
OkHttpClient client = new OkHttpClient.Builder()
.retryOnConnectionFailure(true)
.connectTimeout(1800, TimeUnit.SECONDS)
.readTimeout(1800, TimeUnit.SECONDS)
.writeTimeout(1800, TimeUnit.SECONDS)
.addNetworkInterceptor(logging)
.addInterceptor(new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request().newBuilder()
.header("is_app", "1")
.build();
return chain.proceed(request);
}
}).build();藍色字型就是同上面比較新加的程式碼，黃色字型代表新增網路請求攔截器。
這樣打印出來的資料就很明朗了：
{
"success":true,
"description":"成功",
"biz":{
"goods_info":{
"real_payment":"100.00",
"goods_name":"針織衫",
"mailcode":"3912691654392",
"mailcode_company":"yunda",
"status":100,
"goods_images":"https://img.kaishiqianbao.com/2018-05-08/shop_goods5af1315d7fba6376811.jpeg"
},
"logistics":{
"message":"ok",
"nu":"3912691654392",
"ischeck":"1",
"condition":"F00",
"com":"yunda",
"status":"200",
"state":"3",
"data":[
{
"time":"2017-12-28 18:51:24",
"ftime":"2017-12-28 18:51:24",
"context":"[
北京主城區公司昌平融澤嘉園服務部
]快件已被 已簽收 簽收",
"location":"北京主城區公司昌平融澤嘉園服務部"
},
{
"time":"2017-12-28 18:46:54",
"ftime":"2017-12-28 18:46:54",
"context":"[
北京主城區公司昌平融澤嘉園服務部
]進行派件掃描；派送業務員：雷森浩；聯絡電話：17610460722",
"location":"北京主城區公司昌平融澤嘉園服務部"
}
]
}
}
}