初始化

2017-08-23 12:20:15 +08:00
commit 491d430741
471 changed files with 16355 additions and 0 deletions
@@ -0,0 +1,107 @@
+package com.ifish.tianqi;
+
+
+import javax.crypto.Mac;
+import java.net.URLEncoder;
+import java.security.InvalidKeyException;
+import javax.crypto.spec.SecretKeySpec;
+ 
+public class javaDemo {
+ 
+    private static final char last2byte = (char) Integer.parseInt("00000011", 2);
+    private static final char last4byte = (char) Integer.parseInt("00001111", 2);
+    private static final char last6byte = (char) Integer.parseInt("00111111", 2);
+    private static final char lead6byte = (char) Integer.parseInt("11111100", 2);
+    private static final char lead4byte = (char) Integer.parseInt("11110000", 2);
+    private static final char lead2byte = (char) Integer.parseInt("11000000", 2);
+    private static final char[] encodeTable = new char[] { 'A', 'B', 'C', 'D',
+            'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q',
+            'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
+            'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q',
+            'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
+            '4', '5', '6', '7', '8', '9', '+', '/'
+    };
+ 
+    public static String standardURLEncoder(String data, String key) {
+        byte[] byteHMAC = null;
+        String urlEncoder = "";
+        try {
+            Mac mac = Mac.getInstance("HmacSHA1");
+            SecretKeySpec spec = new SecretKeySpec(key.getBytes(), "HmacSHA1");
+            mac.init(spec);
+            byteHMAC = mac.doFinal(data.getBytes());
+            if (byteHMAC != null) {
+                String oauth = encode(byteHMAC);
+                if (oauth != null) {
+                    urlEncoder = URLEncoder.encode(oauth, "utf8");
+                }
+            }
+        } catch (InvalidKeyException e1) {
+            e1.printStackTrace();
+        } catch (Exception e2) {
+            e2.printStackTrace();
+        }
+        return urlEncoder;
+    }
+ 
+    public static String encode(byte[] from) {
+        StringBuffer to = new StringBuffer((int) (from.length * 1.34) + 3);
+        int num = 0;
+        char currentByte = 0;
+        for (int i = 0; i < from.length; i++) {
+            num = num % 8;
+            while (num < 8) {
+                switch (num) {
+                case 0:
+                    currentByte = (char) (from[i] & lead6byte);
+                    currentByte = (char) (currentByte >>> 2);
+                    break;
+                case 2:
+                    currentByte = (char) (from[i] & last6byte);
+                    break;
+                case 4:
+                    currentByte = (char) (from[i] & last4byte);
+                    currentByte = (char) (currentByte << 2);
+                    if ((i + 1) < from.length) {
+                        currentByte |= (from[i + 1] & lead2byte) >>> 6;
+                    }
+                    break;
+                case 6:
+                    currentByte = (char) (from[i] & last2byte);
+                    currentByte = (char) (currentByte << 4);
+                    if ((i + 1) < from.length) {
+                        currentByte |= (from[i + 1] & lead4byte) >>> 4;
+                    }
+                    break;
+                }
+                to.append(encodeTable[currentByte]);
+                num += 6;
+            }
+        }
+        if (to.length() % 4 != 0) {
+            for (int i = 4 - to.length() % 4; i > 0; i--) {
+                to.append("=");
+            }
+        }
+        return to.toString();
+    }
+     
+     
+    public static void main(String[] args) {
+        try {
+             
+            //需要加密的数据  
+            String data = "http://open.weather.com.cn/data/?areaid=101020100&type=forecast_v&date=201603011100&appid=ee35072ca2850278";  
+            //密钥  
+            String key = "c4a99d_SmartWeatherAPI_a164e18";  
+             
+            String str = standardURLEncoder(data, key);
+ 
+            System.out.println(str);
+           // http://open.weather.com.cn/data/?areaid=101020100&type=forecast_v&date=201603011100&appid=ee3507&key=WCD90OiAMNfP3g5qhdhXiUnyBnA%3D
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}