插件名称命名为:jquery.tableresize.js，代码如下：
代码如下:
插件，能够使table的各列可以左右拉伸，从而使宽度变小或变大
用法：
单个table：$("#table_id").tableresize();
页面所有table：$("table").tableresize();
*/
(function ($) {
$.fn.tableresize = function () {
var _document = $("body");
$(this).each(function () {
if (!$.tableresize) {
$.tableresize = {};
}
var _table = $(this);
//设定ID
var id = _table.attr("id") || "tableresize_" + (Math.random() * 100000).toFixed(0).toString();
var tr = _table.find("tr").first(),ths = tr.children(),_firstth = ths.first();
//设定临时变量存放对象
var cobjs = $.tableresize[id] = {};
cobjs._currentObj = null,cobjs._currentLeft = null;
ths.mousemove(function (e) {
var _this = $(this);
var left = _this.offset().left,top = _this.offset().top,width = _this.width(),height = _this.height(),right = left + width,bottom = top + height,clientX = e.clientX,clientY = e.clientY;
var leftside = !_firstth.is(_this) && Math.abs(left - clientX) <= 5,rightside = Math.abs(right - clientX) <= 5;
if (cobjs._currentLeft || clientY > top && clientY < bottom && (leftside || rightside)) {
_document.css("cursor","e-resize");
if (!cobjs._currentLeft) {
if (leftside) {
cobjs._currentObj = _this.prev();
}
else {
cobjs._currentObj = _this;
}
}
}
else {
cobjs._currentObj = null;
}
});
ths.mouSEOut(function (e) {
if (!cobjs._currentLeft) {
cobjs._currentObj = null;
_document.css("cursor","auto");
}
});
_document.mousedown(function (e) {
if (cobjs._currentObj) {
cobjs._currentLeft = e.clientX;
}
else {
cobjs._currentLeft = null;
}
});
_document.mouseup(function (e) {
if (cobjs._currentLeft) {
cobjs._currentObj.width(cobjs._currentObj.width() + (e.clientX - cobjs._currentLeft));
}
cobjs._currentObj = null;
cobjs._currentLeft = null;
_document.css("cursor","auto");
});
});
};
})(jQuery);
代码如下:
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表格1
