.ini 格式的程序配置文件中使用到的

从网上找的，读取文件，改变键值对的方法。

1. package com.sdut.edu.tools;
3. import java.io.BufferedReader;
4. import java.io.BufferedWriter;
5. import java.io.FileReader;
6. import java.io.FileWriter;
7. import java.io.IOException;
8. import java.util.regex.Matcher;
9. import java.util.regex.Pattern;
11. public class TestIni {
13. private static String file="/sdcard/test.ini";
15. public static String getProfileString(
17. String section,
18. String variable,
19. String defaultValue)
20. throws IOException {
22. String strLine, value = "";
23. BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
24. boolean isInSection = false;
25. try {
26. while ((strLine = bufferedReader.readLine()) != null) {
27. strLine = strLine.trim();
28. //strLine = strLine.split("[;]")[0];
29. Pattern p;
30. Matcher m;
31. p = Pattern.compile("\\["+section+"\\]");
32. m = p.matcher((strLine));
33. if (m.matches()) {
34. p = Pattern.compile("\\["+section+"\\]");
35. m = p.matcher(strLine);
36. if (m.matches()) {
37. isInSection = true;
38. } else {
39. isInSection = false;
40. }
41. }
42. if (isInSection == true) {
43. strLine = strLine.trim();
44. String[] strArray = strLine.split("=");
45. if (strArray.length == 1) {
46. value = strArray[0].trim();
47. if (value.equalsIgnoreCase(variable)) {
48. value = "";
49. break;
50. // return value;
51. }
52. } else if (strArray.length == 2) {
53. value = strArray[0].trim();
54. if (value.equalsIgnoreCase(variable)) {
55. value = strArray[1].trim();
56. break;
57. // return value;
58. }
59. } else if (strArray.length > 2) {
60. value = strArray[0].trim();
61. if (value.equalsIgnoreCase(variable)) {
62. value = strLine.substring(strLine.indexOf("=") + 1).trim();
63. break;
64. // return value;
65. }
66. }
67. }
68. System.out.println("");
69. }
70. } finally {
71. bufferedReader.close();
72. }
73. System.out.println("value=====" +value);
74. return value;
75. }
78. public static boolean setProfileString(
79. String section,
80. String variable,
81. String value)
82. throws IOException {
83. String fileContent, allLine,strLine, newLine, remarkStr;
84. String getValue;
85. BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
86. boolean isInSection = false;
87. fileContent = "";
88. try {
89. while ((allLine = bufferedReader.readLine()) != null) {
90. allLine = allLine.trim();
91. // System.out.println("allLine == "+allLine);
92. strLine = allLine;
93. Pattern p;
94. Matcher m;
95. p = Pattern.compile("\\["+section+"\\]");
96. m = p.matcher((strLine));
97. if (m.matches()) {
98. // System.out.println("+++++++ ");
99. p = Pattern.compile("\\["+section+"\\]");
100. m = p.matcher(strLine);
101. if (m.matches()) {
102. // System.out.println("true ");
103. isInSection = true;
104. } else {
105. isInSection = false;
106. // System.out.println("+++++++ ");
107. }
108. }
109. if (isInSection == true) {
110. strLine = strLine.trim();
111. String[] strArray = strLine.split("=");
112. getValue = strArray[0].trim();
113. if (getValue.equalsIgnoreCase(variable)) {
114. // newLine = getValue + " = " + value + " " + remarkStr;
115. newLine = getValue + " = " + value + " ";
116. fileContent += newLine + "\r\n";
117. while ((allLine = bufferedReader.readLine()) != null) {
118. fileContent += allLine + "\r\n";
119. }
120. bufferedReader.close();
121. BufferedWriter bufferedWriter =
122. new BufferedWriter(new FileWriter(file, false));
123. bufferedWriter.write(fileContent);
124. bufferedWriter.flush();
125. bufferedWriter.close();
126. return true;
127. }
128. }
129. fileContent += allLine + "\r\n";
130. }
131. }catch(IOException ex){
132. throw ex;
133. } finally {
134. bufferedReader.close();
135. }
136. return false;
137. }
139. }

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