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table.js
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table.js
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/**
@Name：layui.table 表格操作
@Author：贤心
@License：MIT
*/
layui.define(['laytpl', 'laypage', 'layer', 'form', 'util'], function(exports) {
"use strict";
var $ = layui.$,
laytpl = layui.laytpl,
laypage = layui.laypage,
layer = layui.layer,
form = layui.form,
util = layui.util,
hint = layui.hint(),
device = layui.device()
//外部接口
, table = {
config: {
checkName: 'LAY_CHECKED' //是否选中状态的字段名
,
indexName: 'LAY_TABLE_INDEX' //下标索引名
,
disableName: 'LAY_DISABLED' //是否禁用
} //全局配置项
,
cache: {} //数据缓存
,
index: layui.table ? (layui.table.index + 10000) : 0
//设置全局项
,
set: function(options) {
var that = this;
that.config = $.extend({}, that.config, options);
return that;
}
//事件监听
,
on: function(events, callback) {
return layui.onevent.call(this, MOD_NAME, events, callback);
}
}
//操作当前实例
, thisTable = function() {
var that = this,
options = that.config,
id = options.id || options.index;
if (id) {
thisTable.that[id] = that; //记录当前实例对象
thisTable.config[id] = options; //记录当前实例配置项
}
return {
reload: function(options) {
that.reload.call(that, options);
},
setColsWidth: function() {
that.setColsWidth.call(that);
},
resize: function() { //重置表格尺寸/结构
that.resize.call(that);
},
config: options
}
}
//获取当前实例配置项
, getThisTableConfig = function(id) {
var config = thisTable.config[id];
if (!config) hint.error('The ID option was not found in the table instance');
return config || null;
}
//字符常量
, MOD_NAME = 'table', ELEM = '.layui-table', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'layui-disabled', NONE = 'layui-none'
, ELEM_VIEW = 'layui-table-view', ELEM_TOOL = '.layui-table-tool', ELEM_BOX = '.layui-table-box', ELEM_INIT = '.layui-table-init', ELEM_HEADER = '.layui-table-header', ELEM_BODY = '.layui-table-body', ELEM_MAIN = '.layui-table-main', ELEM_FIXED = '.layui-table-fixed', ELEM_FIXL = '.layui-table-fixed-l', ELEM_FIXR = '.layui-table-fixed-r', ELEM_TOTAL = '.layui-table-total', ELEM_PAGE = '.layui-table-page', ELEM_SORT = '.layui-table-sort', ELEM_EDIT = 'layui-table-edit', ELEM_HOVER = 'layui-table-hover'
//thead区域模板
, TPL_HEADER = function(options) {
var rowCols = '{{#if(item2.colspan){}} colspan="{{item2.colspan}}"{{#} if(item2.rowspan){}} rowspan="{{item2.rowspan}}"{{#}}}';
options = options || {};
return ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" ', '{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>', '<thead>', '{{# layui.each(d.data.cols, function(i1, item1){ }}', '<tr>', '{{# layui.each(item1, function(i2, item2){ }}', '{{# if(item2.fixed && item2.fixed !== "right"){ left = true; } }}', '{{# if(item2.fixed === "right"){ right = true; } }}', function() {
if (options.fixed && options.fixed !== 'right') {
return '{{# if(item2.fixed && item2.fixed !== "right"){ }}';
}
if (options.fixed === 'right') {
return '{{# if(item2.fixed === "right"){ }}';
}
return '';
}(), '{{# var isSort = !(item2.colGroup) && item2.sort; }}', '<th data-field="{{ item2.field||i2 }}" data-key="{{d.index}}-{{i1}}-{{i2}}" {{# if( item2.parentKey){ }}data-parentkey="{{ item2.parentKey }}"{{# } }} {{# if(item2.minWidth){ }}data-minwidth="{{item2.minWidth}}"{{# } }} ' + rowCols + ' {{# if(item2.unresize || item2.colGroup){ }}data-unresize="true"{{# } }} class="{{# if(item2.hide){ }}layui-hide{{# } }}{{# if(isSort){ }} layui-unselect{{# } }}{{# if(!item2.field){ }} layui-table-col-special{{# } }}">', '<div class="layui-table-cell laytable-cell-', '{{# if(item2.colGroup){ }}', 'group', '{{# } else { }}', '{{d.index}}-{{i1}}-{{i2}}', '{{# if(item2.type !== "normal"){ }}', ' laytable-cell-{{ item2.type }}', '{{# } }}', '{{# } }}', '" {{#if(item2.align){}}align="{{item2.align}}"{{#}}}>', '{{# if(item2.type === "checkbox"){ }}' //复选框
, '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" lay-filter="layTableAllChoose" {{# if(item2[d.data.disableName]){ }} disabled {{# }; }} {{# if(item2[d.data.checkName]){ }}checked{{# }; }}>', '{{# } else { }}', '<span>{{item2.title||""}}</span>', '{{# if(isSort){ }}', '<span class="layui-table-sort layui-inline"><i class="layui-edge layui-table-sort-asc" title="升序"></i><i class="layui-edge layui-table-sort-desc" title="降序"></i></span>', '{{# } }}', '{{# } }}', '</div>', '</th>', (options.fixed ? '{{# }; }}' : ''), '{{# }); }}', '</tr>', '{{# }); }}', '</thead>', '</table>'
].join('');
}
//tbody区域模板
, TPL_BODY = ['<table cellspacing="0" cellpadding="0" border="0" class="layui-table" ', '{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>', '<tbody></tbody>', '</table>'].join('')
//主模板
, TPL_MAIN = ['<div class="layui-form layui-border-box {{d.VIEW_CLASS}}" lay-filter="LAY-table-{{d.index}}" lay-id="{{ d.data.id }}" style="{{# if(d.data.width){ }}width:{{d.data.width}}px;{{# } }} {{# if(d.data.height){ }}height:{{d.data.height}}px;{{# } }}">'
, '{{# if(d.data.toolbar){ }}', '<div class="layui-table-tool">', '<div class="layui-table-tool-temp"></div>', '<div class="layui-table-tool-self"></div>', '</div>', '{{# } }}'
, '<div class="layui-table-box">', '{{# if(d.data.loading){ }}', '<div class="layui-table-init" style="background-color: #fff;">', '<i class="layui-icon layui-icon-loading layui-icon"></i>', '</div>', '{{# } }}'
, '{{# var left, right; }}', '<div class="layui-table-header">', TPL_HEADER(), '</div>', '<div class="layui-table-body layui-table-main">', TPL_BODY, '</div>'
, '{{# if(left){ }}', '<div class="layui-table-fixed layui-table-fixed-l">', '<div class="layui-table-header">', TPL_HEADER({ fixed: true }), '</div>', '<div class="layui-table-body">', TPL_BODY, '</div>', '</div>', '{{# }; }}'
, '{{# if(right){ }}', '<div class="layui-table-fixed layui-table-fixed-r">', '<div class="layui-table-header">', TPL_HEADER({ fixed: 'right' }), '<div class="layui-table-mend"></div>', '</div>', '<div class="layui-table-body">', TPL_BODY, '</div>', '</div>', '{{# }; }}', '</div>'
, '{{# if(d.data.totalRow){ }}', '<div class="layui-table-total">', '<table cellspacing="0" cellpadding="0" border="0" class="layui-table" ', '{{# if(d.data.skin){ }}lay-skin="{{d.data.skin}}"{{# } }} {{# if(d.data.size){ }}lay-size="{{d.data.size}}"{{# } }} {{# if(d.data.even){ }}lay-even{{# } }}>', '<tbody><tr><td><div class="layui-table-cell" style="visibility: hidden;">Total</div></td></tr></tbody>', '</table>', '</div>', '{{# } }}'
, '{{# if(d.data.page){ }}', '<div class="layui-table-page">', '<div id="layui-table-page{{d.index}}"></div>', '</div>', '{{# } }}'
, '<style>', '{{# layui.each(d.data.cols, function(i1, item1){', 'layui.each(item1, function(i2, item2){ }}', '.laytable-cell-{{d.index}}-{{i1}}-{{i2}}{ ', '{{# if(item2.width){ }}', 'width: {{item2.width}}px;', '{{# } }}', ' }', '{{# });', '}); }}', '</style>', '</div>'
].join('')
, _WIN = $(window), _DOC = $(document)
//构造器
, Class = function(options) {
var that = this;
that.index = ++table.index;
that.config = $.extend({}, that.config, table.config, options);
that.render();
};
//默认配置
Class.prototype.config = {
limit: 10 //每页显示的数量
,
loading: true //请求数据时，是否显示loading
,
cellMinWidth: 60 //所有单元格默认最小宽度
,
defaultToolbar: ['filter', 'exports', 'print'] //工具栏右侧图标
,
autoSort: true //是否前端自动排序。如果否，则需自主排序（通常为服务端处理好排序）
,
text: {
none: '无数据'
}
};
//表格渲染
Class.prototype.render = function() {
var that = this,
options = that.config;
options.elem = $(options.elem);
options.where = options.where || {};
options.id = options.id || options.elem.attr('id') || that.index;
//请求参数的自定义格式
options.request = $.extend({
pageName: 'page',
limitName: 'limit'
}, options.request)
//响应数据的自定义格式
options.response = $.extend({
statusName: 'code',
statusCode: 0,
msgName: 'msg',
dataName: 'data',
countName: 'count'
}, options.response);
//如果 page 传入 laypage 对象
if (typeof options.page === 'object') {
options.limit = options.page.limit || options.limit;
options.limits = options.page.limits || options.limits;
that.page = options.page.curr = options.page.curr || 1;
delete options.page.elem;
delete options.page.jump;
}
if (!options.elem[0]) return that;
//高度铺满：full-差距值
if (options.height && /^full-\d+$/.test(options.height)) {
that.fullHeightGap = options.height.split('-')[1];
options.height = _WIN.height() - that.fullHeightGap;
}
//初始化一些参数
that.setInit();
//开始插入替代元素
var othis = options.elem,
hasRender = othis.next('.' + ELEM_VIEW)
//主容器
, reElem = that.elem = $(laytpl(TPL_MAIN).render({
VIEW_CLASS: ELEM_VIEW,
data: options,
index: that.index //索引
}));
options.index = that.index;
//生成替代元素
hasRender[0] && hasRender.remove(); //如果已经渲染，则Rerender
othis.after(reElem);
//各级容器
that.layTool = reElem.find(ELEM_TOOL);
that.layBox = reElem.find(ELEM_BOX);
that.layHeader = reElem.find(ELEM_HEADER);
that.layMain = reElem.find(ELEM_MAIN);
that.layBody = reElem.find(ELEM_BODY);
that.layFixed = reElem.find(ELEM_FIXED);
that.layFixLeft = reElem.find(ELEM_FIXL);
that.layFixRight = reElem.find(ELEM_FIXR);
that.layTotal = reElem.find(ELEM_TOTAL);
that.layPage = reElem.find(ELEM_PAGE);
//初始化工具栏
that.renderToolbar();
//让表格平铺
that.fullSize();
//如果多级表头，则填补表头高度
if (options.cols.length > 1) {
//补全高度
var th = that.layFixed.find(ELEM_HEADER).find('th');
th.height(that.layHeader.height() - 1 - parseFloat(th.css('padding-top')) - parseFloat(th.css('padding-bottom')));
}
that.pullData(that.page); //请求数据
that.events(); //事件
};
//根据列类型，定制化参数
Class.prototype.initOpts = function(item) {
var that = this,
options = that.config,
initWidth = {
checkbox: 48,
radio: 48,
space: 15,
numbers: 40
};
//让 type 参数兼容旧版本
if (item.checkbox) item.type = "checkbox";
if (item.space) item.type = "space";
if (!item.type) item.type = "normal";
if (item.type !== "normal") {
item.unresize = true;
item.width = item.width || initWidth[item.type];
}
};
//初始化一些参数
Class.prototype.setInit = function(type) {
var that = this,
options = that.config;
options.clientWidth = options.width || function() { //获取容器宽度
//如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
var getWidth = function(parent) {
var width, isNone;
parent = parent || options.elem.parent()
width = parent.width();
try {
isNone = parent.css('display') === 'none';
} catch (e) {}
if (parent[0] && (!width || isNone)) return getWidth(parent.parent());
return width;
};
return getWidth();
}();
if (type === 'width') return options.clientWidth;
//初始化列参数
layui.each(options.cols, function(i1, item1) {
layui.each(item1, function(i2, item2) {
//如果列参数为空，则移除
if (!item2) {
item1.splice(i2, 1);
return;
}
item2.key = i1 + '-' + i2;
item2.hide = item2.hide || false;
//设置列的父列索引
//如果是组合列，则捕获对应的子列
if (item2.colGroup || item2.colspan > 1) {
var childIndex = 0;
layui.each(options.cols[i1 + 1], function(i22, item22) {
//如果子列已经被标注为{HAS_PARENT}，或者子列累计 colspan 数等于父列定义的 colspan，则跳出当前子列循环
if (item22.HAS_PARENT || (childIndex > 1 && childIndex == item2.colspan)) return;
item22.HAS_PARENT = true;
item22.parentKey = i1 + '-' + i2;
childIndex = childIndex + parseInt(item22.colspan > 1 ? item22.colspan : 1);
});
item2.colGroup = true; //标注是组合列
}
//根据列类型，定制化参数
that.initOpts(item2);
});
});
};
//初始工具栏
Class.prototype.renderToolbar = function() {
var that = this,
options = that.config
//添加工具栏左侧模板
var leftDefaultTemp = [
'<div class="layui-inline" lay-event="add"><i class="layui-icon layui-icon-add-1"></i></div>', '<div class="layui-inline" lay-event="update"><i class="layui-icon layui-icon-edit"></i></div>', '<div class="layui-inline" lay-event="delete"><i class="layui-icon layui-icon-delete"></i></div>'
].join(''),
elemToolTemp = that.layTool.find('.layui-table-tool-temp');
if (options.toolbar === 'default') {
elemToolTemp.html(leftDefaultTemp);
} else if (typeof options.toolbar === 'string') {
var toolbarHtml = $(options.toolbar).html() || '';
toolbarHtml && elemToolTemp.html(
laytpl(toolbarHtml).render(options)
);
}
//添加工具栏右侧面板
var layout = {
filter: {
title: '筛选列',
layEvent: 'LAYTABLE_COLS',
icon: 'layui-icon-cols'
},
exports: {
title: '导出',
layEvent: 'LAYTABLE_EXPORT',
icon: 'layui-icon-export'
},
print: {
title: '打印',
layEvent: 'LAYTABLE_PRINT',
icon: 'layui-icon-print'
}
},
iconElem = [];
if (typeof options.defaultToolbar === 'object') {
layui.each(options.defaultToolbar, function(i, item) {
var thisItem = layout[item];
if (thisItem) {
iconElem.push('<div class="layui-inline" title="' + thisItem.title + '" lay-event="' + thisItem.layEvent + '">' +
'<i class="layui-icon ' + thisItem.icon + '"></i>' +
'</div>');
}
});
}
that.layTool.find('.layui-table-tool-self').html(iconElem.join(''));
}
//同步表头父列的相关值
Class.prototype.setParentCol = function(hide, parentKey) {
var that = this,
options = that.config
, parentTh = that.layHeader.find('th[data-key="' + options.index + '-' + parentKey + '"]') //获取父列元素
, parentColspan = parseInt(parentTh.attr('colspan')) || 0;
if (parentTh[0]) {
var arrParentKey = parentKey.split('-'),
getThisCol = options.cols[arrParentKey[0]][arrParentKey[1]];
hide ? parentColspan-- : parentColspan++;
parentTh.attr('colspan', parentColspan);
parentTh[parentColspan < 1 ? 'addClass' : 'removeClass'](HIDE);
getThisCol.colspan = parentColspan; //同步 colspan 参数
getThisCol.hide = parentColspan < 1; //同步 hide 参数
//递归，继续往上查询是否有父列
var nextParentKey = parentTh.data('parentkey');
nextParentKey && that.setParentCol(hide, nextParentKey);
}
};
//多级表头补丁
Class.prototype.setColsPatch = function() {
var that = this,
options = that.config
//同步表头父列的相关值
layui.each(options.cols, function(i1, item1) {
layui.each(item1, function(i2, item2) {
if (item2.hide) {
that.setParentCol(item2.hide, item2.parentKey);
}
});
});
};
//动态分配列宽
Class.prototype.setColsWidth = function() {
var that = this,
options = that.config,
colNums = 0 //列个数
,
autoColNums = 0 //自动列宽的列个数
,
autoWidth = 0 //自动列分配的宽度
,
countWidth = 0 //所有列总宽度和
,
cntrWidth = that.setInit('width');
//统计列个数
that.eachCols(function(i, item) {
item.hide || colNums++;
});
//减去边框差和滚动条宽
cntrWidth = cntrWidth - function() {
return (options.skin === 'line' || options.skin === 'nob') ? 2 : colNums + 1;
}() - that.getScrollWidth(that.layMain[0]) - 1;
//计算自动分配的宽度
var getAutoWidth = function(back) {
//遍历所有列
layui.each(options.cols, function(i1, item1) {
layui.each(item1, function(i2, item2) {
var width = 0,
minWidth = item2.minWidth || options.cellMinWidth; //最小宽度
if (!item2) {
item1.splice(i2, 1);
return;
}
if (item2.colGroup || item2.hide) return;
if (!back) {
width = item2.width || 0;
if (/\d+%$/.test(width)) { //列宽为百分比
width = Math.floor((parseFloat(width) / 100) * cntrWidth);
width < minWidth && (width = minWidth);
} else if (!width) { //列宽未填写
item2.width = width = 0;
autoColNums++;
}
} else if (autoWidth && autoWidth < minWidth) {
autoColNums--;
width = minWidth;
}
if (item2.hide) width = 0;
countWidth = countWidth + width;
});
});
//如果未填充满，则将剩余宽度平分
(cntrWidth > countWidth && autoColNums) && (
autoWidth = (cntrWidth - countWidth) / autoColNums
);
}
getAutoWidth();
getAutoWidth(true); //重新检测分配的宽度是否低于最小列宽
//记录自动列数
that.autoColNums = autoColNums;
//设置列宽
that.eachCols(function(i3, item3) {
var minWidth = item3.minWidth || options.cellMinWidth;
if (item3.colGroup || item3.hide) return;
//给位分配宽的列平均分配宽
if (item3.width === 0) {
that.getCssRule(options.index + '-' + item3.key, function(item) {
item.style.width = Math.floor(autoWidth >= minWidth ? autoWidth : minWidth) + 'px';
});
}
//给设定百分比的列分配列宽
else if (/\d+%$/.test(item3.width)) {
that.getCssRule(options.index + '-' + item3.key, function(item) {
item.style.width = Math.floor((parseFloat(item3.width) / 100) * cntrWidth) + 'px';
});
}
});
//填补 Math.floor 造成的数差
var patchNums = that.layMain.width() - that.getScrollWidth(that.layMain[0]) -
that.layMain.children('table').outerWidth();
if (that.autoColNums && patchNums >= -colNums && patchNums <= colNums) {
var getEndTh = function(th) {
var field;
th = th || that.layHeader.eq(0).find('thead th:last-child')
field = th.data('field');
if (!field && th.prev()[0]) {
return getEndTh(th.prev())
}
return th
},
th = getEndTh(),
key = th.data('key');
that.getCssRule(key, function(item) {
var width = item.style.width || th.outerWidth();
item.style.width = (parseFloat(width) + patchNums) + 'px';
//二次校验，如果仍然出现横向滚动条（通常是 1px 的误差导致）
if (that.layMain.height() - that.layMain.prop('clientHeight') > 0) {
item.style.width = (parseFloat(item.style.width) - 1) + 'px';
}
});
}
that.loading(!0);
};
//重置表格尺寸/结构
Class.prototype.resize = function() {
var that = this;
that.fullSize(); //让表格铺满
that.setColsWidth(); //自适应列宽
that.scrollPatch(); //滚动条补丁
};
//表格完整重载
Class.prototype.reload = function(options) {
var that = this;
if (that.config.data && that.config.data.constructor === Array) delete that.config.data;
that.config = $.extend({}, that.config, options);
that.render();
};
//页码
Class.prototype.page = 1;
//获得数据
Class.prototype.pullData = function(curr) {
var that = this,
options = that.config,
request = options.request,
response = options.response,
sort = function() {
if (typeof options.initSort === 'object') {
that.sort(options.initSort.field, options.initSort.type);
}
};
that.startTime = new Date().getTime(); //渲染开始时间
if (options.url) { //Ajax请求
var params = {};
params[request.pageName] = curr;
params[request.limitName] = options.limit;
//参数
var data = $.extend(params, options.where);
if (options.contentType && options.contentType.indexOf("application/json") == 0) { //提交 json 格式
data = JSON.stringify(data);
}
$.ajax({
type: options.method || 'get',
url: options.url,
contentType: options.contentType,
data: data,
dataType: 'json',
headers: options.headers || {},
success: function(res) {
//如果有数据解析的回调，则获得其返回的数据
if (typeof options.parseData === 'function') {
res = options.parseData(res) || res;
}
//检查数据格式是否符合规范
if (res[response.statusName] != response.statusCode) {
that.renderForm();
that.layMain.html('<div class="' + NONE + '">' + (
res[response.msgName] ||
('返回的数据不符合规范，正确的成功状态码 (' + response.statusName + ') 应为：' + response.statusCode)
) + '</div>');
} else {
that.renderData(res, curr, res[response.countName]), sort();
options.time = (new Date().getTime() - that.startTime) + ' ms'; //耗时（接口请求+视图渲染）
}
that.setColsWidth();
typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
},
error: function(e, m) {
that.layMain.html('<div class="' + NONE + '">数据接口请求异常：' + m + '</div>');
that.renderForm();
that.setColsWidth();
}
});
} else if (options.data && options.data.constructor === Array) { //已知数据
var res = {},
startLimit = curr * options.limit - options.limit
res[response.dataName] = options.data.concat().splice(startLimit, options.limit);
res[response.countName] = options.data.length;
that.renderData(res, curr, options.data.length), sort();
that.setColsWidth();
typeof options.done === 'function' && options.done(res, curr, res[response.countName]);
}
};
//遍历表头
Class.prototype.eachCols = function(callback) {
var that = this;
table.eachCols(null, callback, that.config.cols);
return that;
};
//数据渲染
Class.prototype.renderData = function(res, curr, count, sort) {
var that = this,
options = that.config,
data = res[options.response.dataName] || [],
trs = [],
trs_fixed = [],
trs_fixed_r = []
//渲染视图
, render = function() { //后续性能提升的重点
var thisCheckedRowIndex;
if (!sort && that.sortKey) {
return that.sort(that.sortKey.field, that.sortKey.sort, true);
}
layui.each(data, function(i1, item1) {
var tds = [],
tds_fixed = [],
tds_fixed_r = [],
numbers = i1 + options.limit * (curr - 1) + 1; //序号
if (item1.length === 0) return;
if (!sort) {
item1[table.config.indexName] = i1;
}
that.eachCols(function(i3, item3) {
var field = item3.field || i3,
key = options.index + '-' + item3.key,
content = item1[field];
if (content === undefined || content === null) content = '';
if (item3.colGroup) return;
//td内容
var td = ['<td data-field="' + field + '" data-key="' + key + '" ' + function() { //追加各种属性
var attr = [];
if (item3.edit) attr.push('data-edit="' + item3.edit + '"'); //是否允许单元格编辑
if (item3.align) attr.push('align="' + item3.align + '"'); //对齐方式
if (item3.templet) attr.push('data-content="' + content + '"'); //自定义模板
if (item3.toolbar) attr.push('data-off="true"'); //行工具列关闭单元格事件
if (item3.event) attr.push('lay-event="' + item3.event + '"'); //自定义事件
if (item3.style) attr.push('style="' + item3.style + '"'); //自定义样式
if (item3.minWidth) attr.push('data-minwidth="' + item3.minWidth + '"'); //单元格最小宽度
return attr.join(' ');
}() + ' class="' + function() { //追加样式
var classNames = [];
if (item3.hide) classNames.push(HIDE); //插入隐藏列样式
if (!item3.field) classNames.push('layui-table-col-special'); //插入特殊列样式
return classNames.join(' ');
}() + '">', '<div class="layui-table-cell laytable-cell-' + function() { //返回对应的CSS类标识
return item3.type === 'normal' ? key :
(key + ' laytable-cell-' + item3.type);
}() + '">' + function() {
var tplData = $.extend(true, {
LAY_INDEX: numbers
}, item1),
checkName = table.config.checkName,
disableName = table.config.disableName;
//渲染不同风格的列
switch (item3.type) {
case 'checkbox':
return '<input type="checkbox" name="layTableCheckbox" lay-skin="primary" ' + function() {
//如果是全选
if (item3[checkName]) {
item1[checkName] = item3[checkName];
return item3[checkName] ? 'checked' : '';
} else if (item3[disableName]) {
return item3[disableName] ? 'disabled' : '';
}
return tplData[checkName] ? 'checked' : '';
}() + ' ' + function() {
//如果是禁用
if (item3[disableName]) {
return item3[disableName] ? 'disabled' : '';
}
return tplData[disableName] ? 'disabled' : '';
}() + '>';
break;
case 'radio':
if (tplData[checkName]) {
thisCheckedRowIndex = i1;
}
return '<input type="radio" name="layTableRadio_' + options.index + '" ' +
(tplData[checkName] ? 'checked' : '') + ' lay-type="layTableRadio">';
break;
case 'numbers':
return numbers;
break;
};
//解析工具列模板
if (item3.toolbar) {
return laytpl($(item3.toolbar).html() || '').render(tplData);
}
return item3.templet ? function() {
return typeof item3.templet === 'function' ?
item3.templet(tplData) :
laytpl($(item3.templet).html() || String(content)).render(tplData)
}() : content;
}(), '</div></td>'].join('');
tds.push(td);
if (item3.fixed && item3.fixed !== 'right') tds_fixed.push(td);
if (item3.fixed === 'right') tds_fixed_r.push(td);
});
trs.push('<tr data-index="' + i1 + '">' + tds.join('') + '</tr>');
trs_fixed.push('<tr data-index="' + i1 + '">' + tds_fixed.join('') + '</tr>');
trs_fixed_r.push('<tr data-index="' + i1 + '">' + tds_fixed_r.join('') + '</tr>');
});
that.layBody.scrollTop(0);
that.layMain.find('.' + NONE).remove();
that.layMain.find('tbody').html(trs.join(''));
that.layFixLeft.find('tbody').html(trs_fixed.join(''));
that.layFixRight.find('tbody').html(trs_fixed_r.join(''));
that.renderForm();
typeof thisCheckedRowIndex === 'number' && that.setThisRowChecked(thisCheckedRowIndex);
that.syncCheckAll();
//滚动条补丁
that.haveInit ? that.scrollPatch() : setTimeout(function() {
that.scrollPatch();
}, 50);
that.haveInit = true;
layer.close(that.tipsIndex);
//同步表头父列的相关值
options.HAS_SET_COLS_PATCH || that.setColsPatch();
options.HAS_SET_COLS_PATCH = true;
};
that.key = options.id || options.index;
table.cache[that.key] = data; //记录数据
//显示隐藏分页栏
that.layPage[(count == 0 || (data.length === 0 && curr == 1)) ? 'addClass' : 'removeClass'](HIDE);
//排序
if (sort) {
return render();
}
if (data.length === 0) {
that.renderForm();
that.layFixed.remove();
that.layMain.find('tbody').html('');
that.layMain.find('.' + NONE).remove();
return that.layMain.append('<div class="' + NONE + '">' + options.text.none + '</div>');
}
render(); //渲染数据
that.renderTotal(data); //数据合计
//同步分页状态
if (options.page) {
options.page = $.extend({
elem: 'layui-table-page' + options.index,
count: count,
limit: options.limit,
limits: options.limits || [10, 20, 30, 40, 50, 60, 70, 80, 90],
groups: 3,
layout: ['prev', 'page', 'next', 'skip', 'count', 'limit'],
prev: '<i class="layui-icon"></i>',
next: '<i class="layui-icon"></i>',
jump: function(obj, first) {
if (!first) {
//分页本身并非需要做以下更新，下面参数的同步，主要是因为其它处理统一用到了它们
//而并非用的是 options.page 中的参数（以确保分页未开启的情况仍能正常使用）
that.page = obj.curr; //更新页码
options.limit = obj.limit; //更新每页条数
that.loading();
that.pullData(obj.curr);
}
}
}, options.page);
options.page.count = count; //更新总条数
laypage.render(options.page);
}
};
//数据合计行
Class.prototype.renderTotal = function(data) {
var that = this,
options = that.config,
totalNums = {};
if (!options.totalRow) return;
layui.each(data, function(i1, item1) {
if (item1.length === 0) return;
that.eachCols(function(i3, item3) {
var field = item3.field || i3,
content = item1[field];
if (item3.totalRow) {
totalNums[field] = (totalNums[field] || 0) + (parseFloat(content) || 0);
}
});
});
var tds = [];
that.eachCols(function(i3, item3) {
var field = item3.field || i3;
//td内容
var td = ['<td data-field="' + field + '" data-key="' + options.index + '-' + item3.key + '" ' + function() {
var attr = [];
if (item3.align) attr.push('align="' + item3.align + '"'); //对齐方式
if (item3.style) attr.push('style="' + item3.style + '"'); //自定义样式
if (item3.minWidth) attr.push('data-minwidth="' + item3.minWidth + '"'); //单元格最小宽度
return attr.join(' ');
}() + ' class="' + function() { //追加样式
var classNames = [];
if (item3.hide) classNames.push(HIDE); //插入隐藏列样式
if (!item3.field) classNames.push('layui-table-col-special'); //插入特殊列样式
return classNames.join(' ');
}() + '">', '<div class="layui-table-cell laytable-cell-' + function() { //返回对应的CSS类标识
var str = (options.index + '-' + item3.key);
return item3.type === 'normal' ? str :
(str + ' laytable-cell-' + item3.type);
}() + '">' + function() {
var text = item3.totalRowText || '';
return item3.totalRow ? (parseFloat(totalNums[field]).toFixed(2) || text) : text;
}(), '</div></td>'].join('');
tds.push(td);
});
that.layTotal.find('tbody').html('<tr>' + tds.join('') + '</tr>');
};
//找到对应的列元素
Class.prototype.getColElem = function(parent, key) {
var that = this,
options = that.config;
return parent.eq(0).find('.laytable-cell-' + (options.index + '-' + key) + ':eq(0)');
};
//渲染表单
Class.prototype.renderForm = function(type) {
form.render(type, 'LAY-table-' + this.index);
};
//标记当前行选中状态
Class.prototype.setThisRowChecked = function(index) {
var that = this,
options = that.config,
ELEM_CLICK = 'layui-table-click',
tr = that.layBody.find('tr[data-index="' + index + '"]');
tr.addClass(ELEM_CLICK).siblings('tr').removeClass(ELEM_CLICK);
};
//数据排序
Class.prototype.sort = function(th, type, pull, formEvent) {
var that = this,
field, res = {},
options = that.config,
filter = options.elem.attr('lay-filter'),
data = table.cache[that.key],
thisData;
//字段匹配
if (typeof th === 'string') {
that.layHeader.find('th').each(function(i, item) {
var othis = $(this),
_field = othis.data('field');
if (_field === th) {
th = othis;
field = _field;
return false;
}
});
}
try {
var field = field || th.data('field'),
key = th.data('key');
//如果欲执行的排序已在状态中，则不执行渲染
if (that.sortKey && !pull) {
if (field === that.sortKey.field && type === that.sortKey.sort) {
return;
}
}
var elemSort = that.layHeader.find('th .laytable-cell-' + key).find(ELEM_SORT);
that.layHeader.find('th').find(ELEM_SORT).removeAttr('lay-sort'); //清除其它标题排序状态
elemSort.attr('lay-sort', type || null);
that.layFixed.find('th')
} catch (e) {
return hint.error('Table modules: Did not match to field');
}
//记录排序索引和类型
that.sortKey = {
field: field,
sort: type
};
//默认为前端自动排序。如果否，则需自主排序（通常为服务端处理好排序）
if (options.autoSort) {
if (type === 'asc') { //升序
thisData = layui.sort(data, field);
} else if (type === 'desc') { //降序
thisData = layui.sort(data, field, true);
} else { //清除排序
thisData = layui.sort(data, table.config.indexName);
delete that.sortKey;
}
}
res[options.response.dataName] = thisData || data;
that.renderData(res, that.page, that.count, true);
if (formEvent) {
layui.event.call(th, MOD_NAME, 'sort(' + filter + ')', {
field: field,
type: type
});
}
};
//请求loading
Class.prototype.loading = function(hide) {
var that = this,
options = that.config;
if (options.loading) {
if (hide) {
that.layInit && that.layInit.remove();
delete that.layInit;
that.layBox.find(ELEM_INIT).remove()
} else {
that.layInit = $(['<div class="layui-table-init">', '<i class="layui-icon layui-icon-loading layui-icon"></i>', '</div>'].join(''));
that.layBox.append(that.layInit);
}
}
};
//同步选中值状态
Class.prototype.setCheckData = function(index, checked) {
var that = this,
options = that.config,
thisData = table.cache[that.key];
if (!thisData[index]) return;
if (thisData[index].constructor === Array) return;
thisData[index][options.checkName] = checked;
};
//同步全选按钮状态
Class.prototype.syncCheckAll = function() {
var that = this,
options = that.config,
checkAllElem = that.layHeader.find('input[name="layTableCheckbox"]'),
syncColsCheck = function(checked) {
that.eachCols(function(i, item) {
if (item.type === 'checkbox') {