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数据验证:在columns中设置validator,进行同步或异步验证,还可添加beforeValidate, afterValidate函数,allowInvalid:true可以不用验证
var people = [
{id: 1, name: {first: ‘Joe‘, last: ‘Fabiano‘}, ip: ‘0.0.0.1‘, email: ‘Joe.Fabiano@ex.com‘},
{id: 2, name: {first: ‘Fred‘, last: ‘Wecler‘}, ip: ‘0.0.0.1‘, email: ‘Fred.Wecler@ex.com‘},
{id: 3, name: {first: ‘Steve‘, last: ‘Wilson‘}, ip: ‘0.0.0.1‘, email: ‘Steve.Wilson@ex.com‘},
{id: 4, name: {first: ‘Maria‘, last: ‘Fernandez‘}, ip: ‘0.0.0.1‘, email: ‘M.Fernandez@ex.com‘},
{id: 5, name: {first: ‘Pierre‘, last: ‘Barbault‘}, ip: ‘0.0.0.1‘, email: ‘Pierre.Barbault@ex.com‘},
{id: 6, name: {first: ‘Nancy‘, last: ‘Moore‘}, ip: ‘0.0.0.1‘, email: ‘Nancy.Moore@ex.com‘},
{id: 7, name: {first: ‘Barbara‘, last: ‘MacDonald‘}, ip: ‘0.0.0.1‘, email: ‘B.MacDonald@ex.com‘},
{id: 8, name: {first: ‘Wilma‘, last: ‘Williams‘}, ip: ‘0.0.0.1‘, email: ‘Wilma.Williams@ex.com‘},
{id: 9, name: {first: ‘Sasha‘, last: ‘Silver‘}, ip: ‘0.0.0.1‘, email: ‘Sasha.Silver@ex.com‘},
{id: 10, name: {first: ‘Don‘, last: ‘Pérignon‘}, ip: ‘0.0.0.1‘, email: ‘Don.Pérignon@ex.com‘},
{id: 11, name: {first: ‘Aaron‘, last: ‘Kinley‘}, ip: ‘0.0.0.1‘, email: ‘Aaron.Kinley@ex.com‘}
],
example1 = document.getElementById(‘example1‘),
example1console = document.getElementById(‘example1console‘),
settings1,
ipValidatorRegexp,
emailValidator;
ipValidatorRegexp = /^(?:\b(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b|null)$/;
emailValidator = function (value, callback) {
setTimeout(function(){
//还能这样验证
if (/.+@.+/.test(value)) {
callback(true);
}
else {
callback(false);
}
}, 1000);
};
settings1 = {
data: people,
//hooks
beforeChange: function (changes, source) {
//changes是数组,数组的元素也是数组,包含四个属性0:10,1:‘name.last‘,2:‘Kinley‘,3:‘foo‘
for (var i = changes.length - 1; i >= 0; i--) {
// gently don‘t accept the word "foo" (remove the change at index i)
//如果想改为foo,会把这次修改删掉
if (changes[i][3] === ‘foo‘) {
changes.splice(i, 1);
}
// if any of pasted cells contains the word "nuke", reject the whole paste
//如果想改为nuke,只是拒绝,而不会删除此次修改
else if (changes[i][3] === ‘nuke‘) {
return false;
}
// capitalise first letter in column 1 and 2
else if ((changes[i][1] === ‘name.first‘ || changes[i][1] === ‘name.last‘) && changes[i][3].charAt(0)) {
changes[i][3] = changes[i][3].charAt(0).toUpperCase() + changes[i][3].slice(1);
}
}
},
afterChange: function (changes, source) {
if (source !== ‘loadData‘) {
example1console.innerText = JSON.stringify(changes);
}
},
colHeaders: [‘ID‘, ‘First name‘, ‘Last name‘, ‘IP‘, ‘E-mail‘],
columns: [
{data: ‘id‘, type: ‘numeric‘},
{data: ‘name.first‘},
{data: ‘name.last‘},
//给ip加事件处理程序,可以不通过验证
{data: ‘ip‘, validator: ipValidatorRegexp, allowInvalid: true},
{data: ‘email‘, validator: emailValidator, allowInvalid: false}
]
};
var hot = new Handsontable(example1, settings1);
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原文地址:http://www.cnblogs.com/wang-jing/p/4658658.html