Page.java
8.26 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
package com.fh.entity;
import com.fh.util.Const;
import com.fh.util.PageData;
import com.fh.util.Tools;
/**
* 分页类
* @author FH QQ 313596790[青苔]
* 创建时间：2014年6月28日
*/
public class Page {
private int showCount; //每页显示记录数
private int totalPage; //总页数
private int totalResult; //总记录数
private int currentPage; //当前页
private int currentResult; //当前记录起始索引
private boolean entityOrField; //true:需要分页的地方，传入的参数就是Page实体；false:需要分页的地方，传入的参数所代表的实体拥有Page属性
private String pageStr; //最终页面显示的底部翻页导航，详细见：getPageStr();
private PageData pd = new PageData();
public Page(){
try {
this.showCount = Integer.parseInt(Tools.readTxtFile(Const.PAGE));
} catch (Exception e) {
this.showCount = 15;
}
}
public int getTotalPage() {
if(totalResult%showCount==0)
totalPage = totalResult/showCount;
else
totalPage = totalResult/showCount+1;
return totalPage;
}
public void setTotalPage(int totalPage) {
this.totalPage = totalPage;
}
public int getTotalResult() {
return totalResult;
}
public void setTotalResult(int totalResult) {
this.totalResult = totalResult;
}
public int getCurrentPage() {
if(currentPage<=0)
currentPage = 1;
if(currentPage>getTotalPage())
currentPage = getTotalPage();
return currentPage;
}
public void setCurrentPage(int currentPage) {
this.currentPage = currentPage;
}
//拼接分页 页面及JS函数
public String getPageStr() {
StringBuffer sb = new StringBuffer();
if(totalResult>0){
sb.append(" <ul class=\"pagination pull-right no-margin\">\n");
if(currentPage==1){
sb.append(" <li><a>共<font color=red>"+totalResult+"</font>条</a></li>\n");
sb.append(" <li><input type=\"number\" value=\"\" id=\"toGoPage\" style=\"width:50px;text-align:center;float:left\" placeholder=\"页码\"/></li>\n");
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"toTZ();\" class=\"btn btn-mini btn-success\">跳转</a></li>\n");
sb.append(" <li><a>首页</a></li>\n");
sb.append(" <li><a>上页</a></li>\n");
}else{
sb.append(" <li><a>共<font color=red>"+totalResult+"</font>条</a></li>\n");
sb.append(" <li><input type=\"number\" value=\"\" id=\"toGoPage\" style=\"width:50px;text-align:center;float:left\" placeholder=\"页码\"/></li>\n");
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"toTZ();\" class=\"btn btn-mini btn-success\">跳转</a></li>\n");
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"nextPage(1)\">首页</a></li>\n");
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"nextPage("+(currentPage-1)+")\">上页</a></li>\n");
}
int showTag = 5;//分页标签显示数量
int startTag = 1;
if(currentPage>showTag){
startTag = currentPage-1;
}
int endTag = startTag+showTag-1;
for(int i=startTag; i<=totalPage && i<=endTag; i++){
if(currentPage==i)
sb.append("<li class=\"active\"><a><font color='white'>"+i+"</font></a></li>\n");
else
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"nextPage("+i+")\">"+i+"</a></li>\n");
}
if(currentPage==totalPage){
sb.append(" <li><a>下页</a></li>\n");
sb.append(" <li><a>尾页</a></li>\n");
}else{
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"nextPage("+(currentPage+1)+")\">下页</a></li>\n");
sb.append(" <li style=\"cursor:pointer;\"><a onclick=\"nextPage("+totalPage+")\">尾页</a></li>\n");
}
sb.append(" <li><a>共"+totalPage+"页</a></li>\n");
sb.append(" <li><select title='显示条数' style=\"width:55px;float:left;margin-top:1px;\" onchange=\"changeCount(this.value)\">\n");
sb.append(" <option value='"+showCount+"'>"+showCount+"</option>\n");
sb.append(" <option value='10'>10</option>\n");
sb.append(" <option value='20'>20</option>\n");
sb.append(" <option value='30'>30</option>\n");
sb.append(" <option value='40'>40</option>\n");
sb.append(" <option value='50'>50</option>\n");
sb.append(" <option value='60'>60</option>\n");
sb.append(" <option value='70'>70</option>\n");
sb.append(" <option value='80'>80</option>\n");
sb.append(" <option value='90'>90</option>\n");
sb.append(" <option value='99'>99</option>\n");
sb.append(" </select>\n");
sb.append(" </li>\n");
sb.append("</ul>\n");
sb.append("<script type=\"text/javascript\">\n");
//换页函数
sb.append("function nextPage(page){");
sb.append(" top.jzts();");
sb.append(" if(true && document.forms[0]){\n");
sb.append(" var url = document.forms[0].getAttribute(\"action\");\n");
sb.append(" if(url.indexOf('?')>-1){url += \"&"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" else{url += \"?"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" url = url + page + \"&" +(entityOrField?"showCount":"page.showCount")+"="+showCount+"\";\n");
sb.append(" document.forms[0].action = url;\n");
sb.append(" document.forms[0].submit();\n");
sb.append(" }else{\n");
sb.append(" var url = document.location+'';\n");
sb.append(" if(url.indexOf('?')>-1){\n");
sb.append(" if(url.indexOf('currentPage')>-1){\n");
sb.append(" var reg = /currentPage=\\d*/g;\n");
sb.append(" url = url.replace(reg,'currentPage=');\n");
sb.append(" }else{\n");
sb.append(" url += \"&"+(entityOrField?"currentPage":"page.currentPage")+"=\";\n");
sb.append(" }\n");
sb.append(" }else{url += \"?"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" url = url + page + \"&" +(entityOrField?"showCount":"page.showCount")+"="+showCount+"\";\n");
sb.append(" document.location = url;\n");
sb.append(" }\n");
sb.append("}\n");
//调整每页显示条数
sb.append("function changeCount(value){");
sb.append(" top.jzts();");
sb.append(" if(true && document.forms[0]){\n");
sb.append(" var url = document.forms[0].getAttribute(\"action\");\n");
sb.append(" if(url.indexOf('?')>-1){url += \"&"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" else{url += \"?"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" url = url + \"1&" +(entityOrField?"showCount":"page.showCount")+"=\"+value;\n");
sb.append(" document.forms[0].action = url;\n");
sb.append(" document.forms[0].submit();\n");
sb.append(" }else{\n");
sb.append(" var url = document.location+'';\n");
sb.append(" if(url.indexOf('?')>-1){\n");
sb.append(" if(url.indexOf('currentPage')>-1){\n");
sb.append(" var reg = /currentPage=\\d*/g;\n");
sb.append(" url = url.replace(reg,'currentPage=');\n");
sb.append(" }else{\n");
sb.append(" url += \"1&"+(entityOrField?"currentPage":"page.currentPage")+"=\";\n");
sb.append(" }\n");
sb.append(" }else{url += \"?"+(entityOrField?"currentPage":"page.currentPage")+"=\";}\n");
sb.append(" url = url + \"&" +(entityOrField?"showCount":"page.showCount")+"=\"+value;\n");
sb.append(" document.location = url;\n");
sb.append(" }\n");
sb.append("}\n");
//跳转函数
sb.append("function toTZ(){");
sb.append("var toPaggeVlue = document.getElementById(\"toGoPage\").value;");
sb.append("if(toPaggeVlue == ''){document.getElementById(\"toGoPage\").value=1;return;}");
sb.append("if(isNaN(Number(toPaggeVlue))){document.getElementById(\"toGoPage\").value=1;return;}");
sb.append("nextPage(toPaggeVlue);");
sb.append("}\n");
sb.append("</script>\n");
}
pageStr = sb.toString();
return pageStr;
}
public void setPageStr(String pageStr) {
this.pageStr = pageStr;
}
public int getShowCount() {
return showCount;
}
public void setShowCount(int showCount) {
this.showCount = showCount;
}
public int getCurrentResult() {
currentResult = (getCurrentPage()-1)*getShowCount();
if(currentResult<0)
currentResult = 0;
return currentResult;
}
public void setCurrentResult(int currentResult) {
this.currentResult = currentResult;
}
public boolean isEntityOrField() {
return entityOrField;
}
public void setEntityOrField(boolean entityOrField) {
this.entityOrField = entityOrField;
}
public PageData getPd() {
return pd;
}
public void setPd(PageData pd) {
this.pd = pd;
}
}