Ext.onReady(function () {
// Init the singleton. Any tag-based quick tips will start working.
Ext.tip.QuickTipManager.init();
Ext.widget('grid', {
title: 'Users',
store: {
fields: ['name', 'email', 'comment'],
data: [
{ 'name': '张三', 'email': 'aaaaaaaaaa.com', 'comment': 'some comment' },
{ 'name': '李四', 'email': 'bbbbbbbbbb.com', 'comment': 'comment' },
{ 'name': '王五', 'email': 'cccccccccc.com', 'comment': 'some very long comment' },
{ 'name': '马六', 'email': 'dddddddddd.com', 'comment': 'some very very long comment' }
]
},
columns: [
{ header: 'Name', dataIndex: 'name', width: },
{ header: 'Email', dataIndex: 'email', width: },
{
header: 'comment',
dataIndex: 'comment',
flex: ,
renderer: function (value, meta, record) {
var max = ;
meta.tdAttr = 'data-qtip="' + value + '"';
return value.length < max ? value : value.substring(, max - ) + '...';
}
}
],
width: ,
renderTo: 'output'
});
});

grid中的显示:

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" alt="" />

初始化:

Ext.tip.QuickTipManager.init();

判断:

if (columns[i].tooltipType && columns[i].tooltipType === 'qtip') {
columns[i].renderer = function (value, meta, record) {
meta.tdAttr = 'data-qtip="' + value + '"';
return value;
}
}

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