如何使用NSIS实现多目录安装设置

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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. 
    
30. Function .Oninit
    
31.   InitPluginsDir
    
32.   File /oname=$PLUGINSDIR\test.ini ".\test.ini"
    
33. FunctionEnd
    
34. 
    
35. Function SetCustom
    
36. ; 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
    
37.   SectionGetFlags ${SecA} $0
    
38.   StrCmp $0 0 0 +2
    
39.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "Flags" "Disabled"
    
40.   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
    
41.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "Flags" ""
    
42. 
    
43.   SectionGetFlags ${SecB} $0
    
44.   StrCmp $0 0 0 +2
    
45.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "Flags" "Disabled"
    
46.   StrCmp $0 1 0 +2
    
47.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "Flags" ""
    
48. 
    
49.   SectionGetFlags ${SecC} $0
    
50.   StrCmp $0 0 0 +2
    
51.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "Flags" "Disabled"
    
52.   StrCmp $0 1 0 +2
    
53.     WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "Flags" ""
    
54. 
    
55. ; 预定义组件安装路径
    
56.   WriteINIStr "$PLUGINSDIR\test.ini" "Field 4" "State" "$ProgramFiles"
    
57.   WriteINIStr "$PLUGINSDIR\test.ini" "Field 5" "State" "$DeskTop"
    
58.   WriteINIStr "$PLUGINSDIR\test.ini" "Field 6" "State" "$WinDir"
    
59. 
    
60.   InstallOptions::initDialog /NOUNLOAD "$PLUGINSDIR\test.ini"
    
61.   !insertmacro MUI_HEADER_TEXT "选择各组件的安装路径" "必须输入有效路径"
    
62.   InstallOptions::show
    
63.   Pop $R0
    
64. 
    
65. FunctionEnd
    
66. 
    
67. Function LeaveCustom
    
68. ; 判断用户输入的路径是否合法。
    
69. 
    
70.   ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 4" "State"
    
71.   StrCmp $0 "" +2
    
72.   IfFileExists "$0\*" +3
    
73.       MessageBox MB_OK|MB_ICONSTOP "组件 A 的安装路径无效！"
    
74.       Abort
    
75. 
    
76.   ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 5" "State"
    
77.   StrCmp $0 "" +2
    
78.   IfFileExists "$0\*" +3
    
79.       MessageBox MB_OK|MB_ICONSTOP "组件 B 的安装路径无效！"
    
80.       Abort
    
81. 
    
82.   ReadINIStr $0 "$PLUGINSDIR\test.ini" "Field 6" "State"
    
83.   StrCmp $0 "" +2
    
84.   IfFileExists "$0\*" +3
    
85.       MessageBox MB_OK|MB_ICONSTOP "组件 C 的安装路径无效！"
    
86.       Abort
    
87. FunctionEnd

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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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