NSIS实现多目录安装设置

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1. !include "MUI.nsh"
   
2. OutFile "test.exe"
   
3. 
   
4. !define MUI_PAGE_CUSTOMFUNCTION_Pre ComponentsPre
   
5. !insertmacro MUI_PAGE_COMPONENTS
   
6. !insertmacro MUI_PAGE_INSTFILES
   
7. 
   
8. !insertmacro MUI_LANGUAGE "Simpchinese"
   
9. 
   
10. Section "组件A" SecA
    
11. SectionEnd
    
12. 
    
13. Section "组件B" SecB
    
14. SectionEnd
    
15. 
    
16. Section "组件C" SecC
    
17. SectionEnd
    
18. 
    
19. Function ComponentsPre
    
20. ; 如果注册表 HKEY_CURRENT_USER\Software\Test 下存在 SecA 键，且其值为 0 ，那么第一个组件默认就不勾选。
    
21. ; 以下同。
    
22. ReadRegStr $0 HKCU "Software\Test" "SecA"
    
23. IfErrors +2
    
24. StrCmp $0 0 0 +2
    
25. SectionSetFlags ${SecA} 0
    
26. 
    
27. ReadRegStr $0 HKCU "Software\Test" "SecB"
    
28. IfErrors +2
    
29. StrCmp $0 0 0 +2
    
30. SectionSetFlags ${SecB} 0
    
31. 
    
32. ReadRegStr $0 HKCU "Software\Test" "SecC"
    
33. IfErrors +2
    
34. StrCmp $0 0 0 +2
    
35. SectionSetFlags ${SecC} 0
    
36. 
    
37. Functionend
    

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如何使用NSIS实现多目录安装设置
有些时候，我们需要让用户设置多个安装目录，如果大家用过 Delphi 就知道了，安装 Delphi 的时候我们可以选择为不同功能的程序（例如共享文件目录，主程序目录，数据库设置程序目录等等）设置不同的安装目录，而这样的功能怎么实现呢，以下为一个很好的例子脚本。

1. !include "MUI.nsh"
   
2. 
   
3. Name "Test App"
   
4. OutFile "test.exe"
   
5. 
   
6. !insertmacro MUI_PAGE_COMPONENTS
   
7. Page custom SetCustom LeaveCustom
   
8. !insertmacro MUI_PAGE_INSTFILES
   
9. 
   
10. !insertmacro MUI_LANGUAGE "SimpChinese"
    
11. 
    
12. ;--------------------------------
    
13. 
    
14. Section "SectionA" SecA
    
15. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 4" State
    
16. MessageBox MB_OK "SectionA 的安装路径为：$0"
    
17. SectionEnd
    
18. 
    
19. Section "SectionB" SecB
    
20. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 5" State
    
21. MessageBox MB_OK "SectionB 的安装路径为：$0"
    
22. SectionEnd
    
23. 
    
24. Section "SectionC" SecC
    
25. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 6" State
    
26. MessageBox MB_OK "SectionC 的安装路径为：$0"
    
27. SectionEnd
    
28. 
    
29. Function .Oninit
    
30. InitPluginsDir
    
31. File /oname=$PLUGINSDIR\test.ini ".\test.ini"
    
32. FunctionEnd
    
33. 
    
34. Function SetCustom
    
35. ; 判断勾选的组件，并把未勾选组件的安装路径控件设为不可用
    
36. SectionGetFlags ${SecA} $0
    
37. StrCmp $0 0 0 +2
    
38. WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "Flags" "Disabled"
    
39. StrCmp $0 1 0 +2 ; 如果组件勾选了，还需要去掉 Disabled，这两行代码不能省略
    
40. WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "Flags" ""
    
41. 
    
42. SectionGetFlags ${SecB} $0
    
43. StrCmp $0 0 0 +2
    
44. WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "Flags" "Disabled"
    
45. StrCmp $0 1 0 +2
    
46. WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "Flags" ""
    
47. 
    
48. SectionGetFlags ${SecC} $0
    
49. StrCmp $0 0 0 +2
    
50. WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "Flags" "Disabled"
    
51. StrCmp $0 1 0 +2
    
52. WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "Flags" ""
    
53. 
    
54. ; 预定义组件安装路径
    
55. WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "State" "$ProgramFiles"
    
56. WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "State" "$DeskTop"
    
57. WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "State" "$WinDir"
    
58. 
    
59. InstallOptions::initDialog /NOUNLOAD "$PLUGINSDIR\test.ini"
    
60. !insertmacro MUI_HEADER_TEXT "选择各组件的安装路径" "必须输入有效路径"
    
61. InstallOptions::show
    
62. Pop $R0
    
63. 
    
64. FunctionEnd
    
65. 
    
66. Function LeaveCustom
    
67. ; 判断用户输入的路径是否合法。
    
68. 
    
69. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 4" "State"
    
70. StrCmp $0 "" +2
    
71. IfFileExists "$0\*" +3
    
72. MessageBox MB_OK|MB_ICONSTOP "组件 A 的安装路径无效！"
    
73. Abort
    
74. 
    
75. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 5" "State"
    
76. StrCmp $0 "" +2
    
77. IfFileExists "$0\*" +3
    
78. MessageBox MB_OK|MB_ICONSTOP "组件 B 的安装路径无效！"
    
79. Abort
    
80. 
    
81. ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 6" "State"
    
82. StrCmp $0 "" +2
    
83. IfFileExists "$0\*" +3
    
84. MessageBox MB_OK|MB_ICONSTOP "组件 C 的安装路径无效！"
    
85. Abort
    
86. FunctionEnd
    

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Ini 文件代码

1. ; Ini file generated by the HM NIS Edit IO designer.
   
2. [Settings]
   
3. NumFields=6
   
4. 
   
5. [Field 1]
   
6. Type=Label
   
7. Text=A 组件安装路径:
   
8. Left=8
   
9. Right=68
   
10. Top=6
    
11. Bottom=13
    
12. 
    
13. [Field 2]
    
14. Type=Label
    
15. Text=B 组件安装路径:
    
16. Left=5
    
17. Right=65
    
18. Top=44
    
19. Bottom=51
    
20. 
    
21. [Field 3]
    
22. Type=Label
    
23. Text=C 组件安装路径:
    
24. Left=8
    
25. Right=68
    
26. Top=82
    
27. Bottom=89
    
28. 
    
29. [Field 4]
    
30. Type=DirRequest
    
31. Left=14
    
32. Right=253
    
33. Top=19
    
34. Bottom=32
    
35. 
    
36. [Field 5]
    
37. Type=DirRequest
    
38. Left=14
    
39. Right=254
    
40. Top=57
    
41. Bottom=70
    
42. 
    
43. [Field 6]
    
44. Type=DirRequest
    
45. Left=14
    
46. Right=254
    
47. Top=94
    
48. Bottom=107

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