Java Web page-Common paging component __web

Common Paging components

Sometimes it's a pain to find the right Web page paging component, either there is no fully encapsulated paging method, the use of more cumbersome, inconvenient, or easy to use, but it is difficult to combine with the project, there are many open source paging components, the function is very powerful, but the use of a lot of problems, Some bad with the system, some bad expansion, but the total feeling a little puffy, a lot of functional not practical, also not much significance, this attempt to write a paging component, enough, but also have a lot of problems, hope that everyone to revise together.

1, HTML element java encapsulation:

For ease of operation,

package Commons.page; import java.util.ArrayList; import Java.util.HashMap; import java.util.List; import Java.util.Map; import Java.util.Set; import java.util.Map.Entry; Public class HtmlElement { Private String TagName; Private map<string, string> attributes = new hashmap<string, string> (); Private listNew arraylist Private String value = ""; Private String text = ""; Public HtmlElement (String tagName) { this. tagName = TagName; } Public void SetValue (String value) { this. Value = value; } Public List return children; } Public void AddChild (htmlelement Element) { this. Children.add (element); } Public void AddAttribute (string name, String value) { this. Attributes.put (name, value); } Public String Getattributevalue (string name) { return this. Attributes.get (name); } @Override Public String toString () { return this. toHtml (); } Public String toHtml () { StringBuffer sb = new stringbuffer (); Sb.append ("<"); Sb.append (this. tagName); Sb.append (this. getAttr ()); Sb.append (">"); Sb.append (this. value); for (HtmlElement e: this. Children) { Sb.append (e.tohtml ()); } Sb.append (this. text); Sb.append ("</"); Sb.append (this. tagName); Sb.append (">"); return sb.tostring (); } protected String getAttr () { StringBuffer sb = new stringbuffer (); set<entry<string, string>> attr = this. Attributes.entryset (); for (entry<string, string> entry:attr) { Sb.append (""); Sb.append (Entry.getkey ()); Sb.append ("=/"); Sb.append (Entry.getvalue ()); &