一个分页工具类

源码打印？

1. import java.util.List;
3. public class SplitPage {
5. private List totalResult = null; //所有的数据
6. private List pageResult = null; //每页的数据
7. private int pageSize = 10; // 每页显示的行数
10. private int totalRow; //所有数据的行数
11. private int totalPage; //总共的页数
12. private int thisPage; //当前页面
14. public SplitPage(List list) {
15. super();
16. this.totalResult = list;
17. this.totalRow=list.size();
18. this.thisPage=1;
19. int page=this.totalRow/this.pageSize;
20. if(this.totalRow%this.pageSize!=0)
21. this.totalPage=page+1;
22. else
23. this.totalPage=page;
24. }
26. public SplitPage(List list,int num) {
27. super();
28. this.pageSize = num;
29. this.totalResult = list;
30. this.totalRow=list.size();
31. this.thisPage=1;
32. int page=this.totalRow/this.pageSize;
33. if(this.totalRow%this.pageSize!=0)
34. this.totalPage=page+1;
35. else
36. this.totalPage=page;
37. }
39. public List getFirstPage(){
40. thisPage = 1;
41. if(totalRow <>
42. pageResult = totalResult;
43. else
44. pageResult = totalResult.subList(0, pageSize);
45. return pageResult;
46. }
48. public List getLastPage(){
49. thisPage = totalPage;
50. if(totalRow <>
51. pageResult = totalResult;
52. else
53. pageResult = totalResult.subList((totalPage-1)*pageSize,totalRow);
54. return pageResult;
55. }
57. public List gotoPage(int go){
58. thisPage = go;
59. if(go == 1)
60. return getFirstPage();
61. else if(go == totalPage)
62. return getLastPage();
63. else{
64. pageResult = totalResult.subList((go-1)*pageSize, go*pageSize);
65. return pageResult;
66. }
67. }
69. public List goNextPage(int current){
70. current++;
71. return gotoPage(current);
72. }
74. public int getPageSize() {
75. return pageSize;
76. }
78. public void setPageSize(int pageSize) {
79. this.pageSize = pageSize;
80. }
82. public List goPrePage(int current){
83. current--;
84. return gotoPage(current);
85. }
86. public int getTotalPage() {
87. return totalPage;
88. }
90. public void setTotalPage(int totalPage) {
91. this.totalPage = totalPage;
92. }
94. public int getThisPage() {
95. return thisPage;
96. }
98. public void setThisPage(int thisPage) {
99. this.thisPage = thisPage;
100. }
101. }