phantomjs批量截取网页某一区域脚本

capture_rect.js

var base = 'http://dev.kaid.me/c';

var ids = [1, 2, 3, 41, 42, 43, 51, 52, 53];

ids.forEach(function(id) {
    var page   = require('webpage').create(),
        url    = base + id,
        output = 'c' + id + '.png';
    
    page.clipRect = {top:122, left:65, width:360, height:600};

    page.open(url, function (status) {
        window.setTimeout(function() {
            var result = page.render(output);
        }, 4000)
    });

});