jquery实现联想词搜索框和搜索结果分页的示例

2020-05-17 06:28:06易采站长站整理

var selRange = this.createTextRange();
if (end === undefined || start == end) {
selRange.move("character", start);
selRange.select();
} else {
selRange.collapse(true);
selRange.moveStart("character", start);
selRange.moveEnd("character", end);
selRange.select();
}
} else if( this.setSelectionRange ){
this.setSelectionRange(start, end);
} else if( this.selectionStart ){
this.selectionStart = start;
this.selectionEnd = end;
}
});
}
var field = this[0];
if ( field.createTextRange ) {
var range = document.selection.createRange(),
orig = field.value,
teststring = "<->",
textLength = range.text.length;
range.text = teststring;
var caretAt = field.value.indexOf(teststring);
field.value = orig;
this.selection(caretAt, caretAt + textLength);
return {
start: caretAt,
end: caretAt + textLength
}
} else if( field.selectionStart !== undefined ){
return {
start: field.selectionStart,
end: field.selectionEnd
}
}
};

})(jQuery);

jquery.pagination.js


/**
* This jQuery plugin displays pagination links inside the selected elements.
*
* @author Gabriel Birke (birke *at* d-scribe *dot* de)
* @version 1.2
* @param {int} maxentries Number of entries to paginate
* @param {Object} opts Several options (see README for documentation)
* @return {Object} jQuery Object
*/
jQuery.fn.pagination = function(maxentries, opts){
opts = jQuery.extend({
items_per_page:10,
num_display_entries:10,
current_page:0,
num_edge_entries:0,
link_to:"#",
prev_text:"Prev",
next_text:"Next",
ellipse_text:"...",
prev_show_always:true,
next_show_always:true,
callback:function(){return false;}
},opts||{});

return this.each(function() {
/**
* 计算最大分页显示数目
*/
function numPages() {
return Math.ceil(maxentries/opts.items_per_page);
}
/**
* 极端分页的起始和结束点,这取决于current_page 和 num_display_entries.
* @返回 {数组(Array)}
*/
function getInterval() {
var ne_half = Math.ceil(opts.num_display_entries/2);
var np = numPages();
var upper_limit = np-opts.num_display_entries;
var start = current_page>ne_half?Math.max(Math.min(current_page-ne_half, upper_limit), 0):0;
var end = current_page>ne_half?Math.min(current_page+ne_half, np):Math.min(opts.num_display_entries, np);
return [start,end];
}

/**
* 分页链接事件处理函数
* @参数 {int} page_id 为新页码
*/
function pageSelected(page_id, evt){
current_page = page_id;
drawLinks();
var continuePropagation = opts.callback(page_id, panel);