js模板替换变量

模板替换变量

function tpl(template,data){
    return template.replace(/{%([^%{}]+)%}/g,function(orgin,item){
        item = item.replace(/^s+|s+$/,"");
        var params = [];
        if(item.indexOf('.') > -1){
            params = item.split('.')
        }
        return params.reduce((a,b)=> {
            return a[b]
        },data)
    })
}
var str = `<div class="{%data.className%}">{%data.name%}</div>`
var d = {data: {name: 123,className:'hd'}}
var t = tpl(str,d)
console.log(t)