以前公司業務人員手動操作，一天也只能獲取1000來條數據，通過程序獲得了非常大的改觀。程序目的是自動驗證登錄并查詢獲取相關信息，對驗證碼上每個字顯示的寬度有要求，需要事先預設好，因為需要將驗證碼圖片上的字分別裁剪單獨分析。當然一般一個網站的驗證碼寬度都相對固定。
1
package com.xiaohang.readcode;
2
3import java.awt.*;
4import java.awt.image.BufferedImage;
5import java.io.*;
6import java.net.URL;
7import javax.imageio.*;
8
9
public class ImageCode 
{
10
BufferedImage imd; // 待識別圖像
11
12 private int iw, ih; // 圖像寬和高
13
14 //public final static String path = "E:\\codeimages\\1.bmp";
15
16
public static void main(String []args){
17
18 try{
19
20 ImageCode app = new ImageCode();
21
22 //String s = app.getImageNum("http://*****.cjn.cn/gcode.act");
23 String s = app.getImageNum("E:\\codeimages\\1.bmp");
24 System.out.println("result is : " + s);
25
26
}catch(Exception ex)
27 {
28 ex.printStackTrace();
29 }
30 }
31
32 public String getImageNum(String file) {
33
34 StringBuffer sb = new StringBuffer("");
35 try {
36 // imd = ImageIO.read(new URL(file)); // 用ImageIO的靜態方法讀取圖像
37 imd = ImageIO.read(new File(file));
38 BufferedImage newim[] = new BufferedImage[4];
39 int[] x = new int[4];
40 // 將圖像分成4塊，因為要處理的文件都有四個數字
41 newim[0] = imd.getSubimage(5, 0, 10, 15);
42 newim[1] = imd.getSubimage(18, 0, 10, 15);
43 newim[2] = imd.getSubimage(31, 0, 10, 15);
44 newim[3] = imd.getSubimage(44, 0, 10, 15);
45
46 for (int k = 0; k < 4; k++) {
47 x[k] = 0;
48 // ImageIO.write(newim[k], "JPEG", new File("E:\\codeimages\\"+k+".jpeg"));
49 this.iw = newim[k].getWidth(null);
50 this.ih = newim[k].getHeight(null);
51 int[] pix = new int[iw * ih];
52 // 二進制圖像，將像數讀取出來，轉換成0、1圖像數組
53
54 for (int i = 0; i < ih; i++) {
55 for (int j = 0; j < iw; j++) {
56 pix[i * (iw) + j] = newim[k].getRGB(j, i);
57 String code = String.valueOf(pix[i * (iw) + j]);
58 if (code.length() >= 8)
59 pix[i * (iw) + j] = 1;
60 else
61 pix[i * (iw) + j] = 0;
62
63 x[k] = x[k] + pix[i * (iw) + j];
64 }
65 }
66
67 // 得到匹配的數字
68 int r = this.getMatchNum(pix);
69 sb.append(r);
70 // System.out.println("x=" + x[k]);
71 }
72
73 } catch (Exception ex) {
74 ex.printStackTrace();
75 }
76 return sb.toString();
77 }
78
79 static int[][] value = {
80 // 0
81 {
82 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
83 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
84 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
85 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
86 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
87 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
88 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
89 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
90 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
91 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
92 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
93 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
94 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
95 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
96 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
97 },
98 // 1
99 {
100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
102 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
103 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
104 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
105 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
106 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
107 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
108 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
109 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
110 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
111 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
112 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
113 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
114 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
115 },
116 // 2
117 {
118 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
119 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
120 0, 0, 0, 1, 1, 1, 0, 0, 0, 0,
121 0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
122 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
123 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
124 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
125 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
126 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
127 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
128 0, 0, 1, 1, 0, 0, 0, 0, 0, 0,
129 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
130 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
131 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
132 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
133 },
134
135
136 // 3
137 {
138 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
139 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
140 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
141 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
142 0, 0, 1, 0, 0, 0, 1, 1, 0, 0,
143 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
144 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
145 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
146 0, 0, 0, 0, 1, 1, 1, 1, 0, 0,
147 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
148 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
149 0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
150 0, 0, 1, 1, 1, 1, 0, 0, 0, 0,
151 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
152 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
153 },
154 // 4
155 {
156 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
157 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
158 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
159 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
160 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
161 0, 0, 0, 0, 1, 1, 1, 0, 0, 0,
162 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
163 0, 0, 1, 1, 0, 1, 1, 0, 0, 0,
164 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
165 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
166 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
167 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
168 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
169 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
170 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
171 },
172 // 5
173 {
174 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
175 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
176 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
177 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
178 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
179 0, 0, 1, 1, 1, 1, 0, 0, 0, 0,
180 0, 0, 1, 0, 1, 1, 1, 0, 0, 0,
181 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
182 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
183 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
184 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
185 0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
186 0, 0, 1, 1, 1, 1, 0, 0, 0, 0,
187 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
188 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
189 },
190 // 6
191 {
192 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
193 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
194 0, 0, 0, 1, 1, 1, 1, 1, 0, 0,
195 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
196 0, 0, 1, 1, 0, 0, 0, 0, 0, 0,
197 0, 0, 1, 1, 0, 0, 0, 0, 0, 0,
198 0, 0, 1, 1, 1, 1, 0, 0, 0, 0,
199 0, 0, 1, 1, 1, 1, 1, 0, 0, 0,
200 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
201 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
202 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
203 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
204 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
205 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
206 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
207 },
208 // 7
209 {
210 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
211 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
212 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
213 0, 1, 1, 1, 1, 1, 1, 1, 0, 0,
214 0, 1, 0, 0, 0, 0, 1, 1, 0, 0,
215 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
216 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
217 0, 0, 0, 0, 0, 1, 1, 0, 0, 0,
218 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
219 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
220 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
221 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
222 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
223 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
224 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
225 },
226 // 8
227 {
228 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
229 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
230 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
231 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
232 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
233 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
234 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
235 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
236 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
237 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
238 0, 0, 1, 1, 0, 0, 1, 1, 0, 0,
239 0, 0, 1, 1, 1, 1, 1, 1, 0, 0,
240 0, 0, 0, 1, 1, 1, 1, 0, 0, 0,
241 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
242 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
243 },
244 // 9
245 {
246 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
247 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
248 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
249 0, 0, 0, 1, 0, 0, 1, 0, 0, 0,
250 0, 0, 1, 0, 0, 0, 0, 1, 0, 0,
251 0, 0, 1, 0, 0, 0, 0, 1, 0, 0,
252 0, 0, 1, 0, 0, 0, 0, 1, 0, 0,
253 0, 0, 0, 1, 0, 0, 1, 1, 0, 0,
254 0, 0, 0, 0, 1, 1, 0, 1, 0, 0,
255 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
256 0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
257 0, 0, 0, 0, 1, 1, 0, 0, 0, 0,
258 0, 0, 1, 1, 0, 0, 0, 0, 0, 0,
259 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
260 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
261 } };
262
263 // 圖像像素相減去最小絕對值得到最接近結果
264 public int getMatchNum(int[] pix){
265
266 int result = -1;
267 int temp = 100;
268 int x;
269 for(int k = 0 ; k < 10 ; k++){
270
271 x = 0 ;
272 for(int i = 0 ; i < 150 ; i++){ // lenght=120
273 x = x+Math.abs(pix[i] - value[k][i]); // 取絕對值
274 }
275
276 if(x < temp){
277 temp = x;
278 result = k;
279 }
280 }
281 return result;
282 }
283
284
285
}
286
原創文章，轉載請注明出處。
http://www.aygfsteel.com/beijing2008/articles/285556.html
posted on 2009-07-05 15:28
.Sun 閱讀(854)
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