js禁止查看网页源码代码（含禁止复制粘贴）

sheep

本页内容包含：屏蔽F12、屏蔽Ctrl+Shift+I、屏蔽Shift+F10、屏蔽Ctrl+U、屏蔽右键单击、屏蔽F12 审查元素、屏蔽右键菜单、屏蔽粘贴、屏蔽复制、屏蔽剪切、屏蔽选中。
直接复制以下代码粘贴到页面中即可：

1. <script language="javascript">
   
2. window.onload = function() {
   
3. document.onkeydown = function() {
   
4. var e = window.event || arguments[0];
   
5. //屏蔽F12
   
6. if(e.keyCode == 123) {
   
7. return false;
   
8. //屏蔽Ctrl+Shift+I
   
9. } else if((e.ctrlKey) && (e.shiftKey) && (e.keyCode == 73)) {
   
10. return false;
    
11. //屏蔽Shift+F10
    
12. } else if((e.shiftKey) && (e.keyCode == 121)){
    
13. return false;
    
14. //屏蔽Ctrl+U
    
15. } else if((e.ctrlKey) && (e.keyCode == 85)){
    
16. return false;
    
17. }
    
18. };
    
19. //屏蔽右键单击
    
20. document.oncontextmenu = function() {
    
21. alert("右键被禁止，复制内容请按CTRL+C！");
    
22. return false;
    
23. }
    
24. }
    
25. //屏蔽F12 审查元素
    
26. document.onkeydown = function(){
    
27. if(window.event && window.event.keyCode == 123) {
    
28. alert("F12被禁用");
    
29. event.keyCode=0;
    
30. event.returnValue=false;
    
31. }
    
32. if(window.event && window.event.keyCode == 13) {
    
33. window.event.keyCode = 505;
    
34. }
    
35. if(window.event && window.event.keyCode == 8) {
    
36. alert(str+"\n请使用Del键进行字符的删除操作！");
    
37. window.event.returnValue=false;
    
38. }
    
39. }
    
40. //屏蔽右键菜单
    
41. document.oncontextmenu = function (event){
    
42. if(window.event){
    
43. event = window.event;
    
44. }try{
    
45. var the = event.srcElement;
    
46. if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
    
47. return false;
    
48. }
    
49. return true;
    
50. }catch (e){
    
51. return false;
    
52. }
    
53. }
    
54. //屏蔽粘贴
    
55. document.onpaste = function (event){
    
56. if(window.event){
    
57. event = window.event;
    
58. }try{
    
59. var the = event.srcElement;
    
60. if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
    
61. return false;
    
62. }
    
63. return true;
    
64. }catch (e){
    
65. return false;
    
66. }
    
67. }
    
68. //屏蔽复制
    
69. document.oncopy = function (event){
    
70. if(window.event){
    
71. event = window.event;
    
72. }try{
    
73. var the = event.srcElement;
    
74. if(!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
    
75. return false;
    
76. }
    
77. return true;
    
78. }catch (e){
    
79. return false;
    
80. }
    
81. }
    
82. //屏蔽剪切
    
83. document.oncut = function (event){
    
84. if(window.event){
    
85. event = window.event;
    
86. }try{
    
87. var the = event.srcElement;
    
88. if(!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
    
89. return false;
    
90. }
    
91. return true;
    
92. }catch (e){
    
93. return false;
    
94. }
    
95. }
    
96. //屏蔽选中
    
97. document.onselectstart = function (event){
    
98. if(window.event){
    
99. event = window.event;
    
100. }try{
     
101. var the = event.srcElement;
     
102. if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")){
     
103. return false;
     
104. }
     
105. return true;
     
106. } catch (e) {
     
107. return false;
     
108. }
     
109. }
     
110. </script>

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