增加 ascii 转 明文

app/src/main/java/com/example/jingyuanmesc5106/MainActivity.java

@@ -17,6 +17,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.example.jingyuanmesc5106.base.BaseActivity;
+import com.example.jingyuanmesc5106.uitls.ASCIIUtil;
 import com.example.jingyuanmesc5106.uitls.MyAlertDialog;
 import com.example.jingyuanmesc5106.uitls.MyRecultCall;
 import com.example.jingyuanmesc5106.uitls.MyResult;
@@ -65,7 +66,7 @@ public class MainActivity extends BaseActivity implements DialogCall {
             music.start();
             String string = Tools.Bytes2HexString(readBytes, readBytes.length);
             Log.e("TAG", "san_epc:" + string)	;
-            palletInfoCode.setText(string);
+            palletInfoCode.setText(ASCIIUtil.hex2Str(string));
         }
     }
 //提交

app/src/main/java/com/example/jingyuanmesc5106/base/BaseActivity.java

@@ -35,8 +35,8 @@ import okhttp3.MediaType;
 
 public class BaseActivity extends AppCompatActivity {
 
-     public static String url = "http://175.27.215.92:7018/prod-api";
-//    public static String url = "http://10.11.40.120:7018/dev-api";
+//     public static String url = "http://172.16.12.100:7018/prod-api";
+    public static String url = "http://10.10.3.63:7018/dev-api";
     public ProgressDialog dialog;
     public Gson gson;
     public MediaType JSON = MediaType.parse("application/json; charset=utf-8");

app/src/main/java/com/example/jingyuanmesc5106/uitls/ASCIIUtil.java

@@ -0,0 +1,66 @@
+package com.example.jingyuanmesc5106.uitls;
+
+/**
+ * @author: wangh
+ * @description: Ass
+ * @date: 2019/06/20-15:18
+ */
+public class ASCIIUtil {
+
+    //    String明文转ASCII码hex字符串,一个明文字符生成两个字符表示的16进制ASCII码
+    public static String str2Hex(String str) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < str.length(); i++) {
+            char c = str.charAt(i);
+            // 这里的第二个参数16表示十六进制
+            sb.append(Integer.toString(c, 16));
+            // 或用toHexString方法直接转成16进制
+            // sb.append(Integer.toHexString(c));
+        }
+        return sb.toString();
+    }
+
+    //    ASCII码hex字符串转String明文
+    public static String hex2Str(String hex) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < hex.length() - 1; i += 2) {
+            String h = hex.substring(i, (i + 2));
+            int decimal = Integer.parseInt(h, 16);
+            sb.append((char) decimal);
+        }
+        return sb.toString();
+
+    }
+    public static String hexTo4ZN(String hex) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < hex.length() - 1; i += 4) {
+            String h =  hex.substring(i, (i + 4));
+
+            sb.append((char) Integer.parseInt(h, 16));
+        }
+        return sb.toString();
+
+    }
+
+
+    public static String str4Hex(String str) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < str.length(); i++) {
+            String s = Integer.toString(str.charAt(i), 16);
+            sb.append(s.length()==2?"00"+s:s);
+        }
+        return sb.toString();
+    }
+    public static String convertToAscii(String chineseText) {
+        StringBuilder asciiText = new StringBuilder();
+
+        for (int i = 0; i < chineseText.length(); i++) {
+            char c = chineseText.charAt(i);
+            int asciiValue = (int) c;
+
+            asciiText.append(asciiValue).append(" ");
+        }
+
+        return asciiText.toString().trim();
+    }
+}