前端开发

var bdTemplate = require('./baiduTemplate').template;
var iweibo = require('iweibo');
var Weibo = iweibo.Weibo;
var access_token = 'xxxxx';
iweibo.set({
    appkey: 'xxxxxxxx',
    appsecret: 'xxxxxxxxxxxxxxx'
});
 
var weibo = new Weibo(access_token, '');
function getWeather(callback) {
    var html = '#< %=city%>天气#< %=date_y%>[< %=week%>]：< %=temp1%>，< %=weather1%>，< %=wind1%>，< %=index_d%> 明天：< %=temp2%>，< %=weather2%>，< %=wind2%>';
    var json = weibo.get('http://m.weather.com.cn/data/101010100.html').done(function(err, data) {
        data = JSON.parse(data).weatherinfo;
        html = bdTemplate(html, data);
        callback(html);
    });
}
 
getWeather(function(html) {
    weibo.api('statuses/update', {
        status: html
    }).done(function(err, result) {
        console.log(result);
    }).fail(function(err, result) {
        console.log('出错啦！！' + JSON.stringify(result));
    });
});

{
  "name": "my-project-name",
  "version": "0.1.0",
  "devDependencies": {
    "grunt": "~0.4.0",
    "grunt-contrib-jshint": "~0.1.0",
    "grunt-contrib-concat": "~0.1.1",
    "grunt-contrib-uglify": "~0.1.0",
    "grunt-contrib-watch": "~0.1.4"
  }
}

livereload: {
    options: {
        base: 'public',
    },
    files: ['src/**/*']
}
watch: {
    all:{
        files: ['src/js/touch.js', 'src/sass/*.scss'],
        tasks: ['jshint', 'compass:dev'],
    },
    //grunt watch:js|css
    js:{
        files: ['src/js/touch.js'],
        tasks: ['jshint'],
    },
    css:{
        files: ['src/sass/*.scss'],
        tasks: ['compass:dev'],
    }
}
grunt.loadNpmTasks('grunt-livereload');
 
grunt.registerTask('live', ['livereload', 'watch:css']);

//判断是否属手机
function is_mobile() {
	$user_agent = $_SERVER['HTTP_USER_AGENT'];
	$mobile_agents = Array("240x320","acer","acoon","acs-","abacho","ahong","airness","alcatel","amoi","android","anywhereyougo.com","applewebkit/525","applewebkit/532","asus","audio","au-mic","avantogo","becker","benq","bilbo","bird","blackberry","blazer","bleu","cdm-","compal","coolpad","danger","dbtel","dopod","elaine","eric","etouch","fly ","fly_","fly-","go.web","goodaccess","gradiente","grundig","haier","hedy","hitachi","htc","huawei","hutchison","inno","ipad","ipaq","ipod","jbrowser","kddi","kgt","kwc","lenovo","lg ","lg2","lg3","lg4","lg5","lg7","lg8","lg9","lg-","lge-","lge9","longcos","maemo","mercator","meridian","micromax","midp","mini","mitsu","mmm","mmp","mobi","mot-","moto","nec-","netfront","newgen","nexian","nf-browser","nintendo","nitro","nokia","nook","novarra","obigo","palm","panasonic","pantech","philips","phone","pg-","playstation","pocket","pt-","qc-","qtek","rover","sagem","sama","samu","sanyo","samsung","sch-","scooter","sec-","sendo","sgh-","sharp","siemens","sie-","softbank","sony","spice","sprint","spv","symbian","tablet","talkabout","tcl-","teleca","telit","tianyu","tim-","toshiba","tsm","up.browser","utec","utstar","verykool","virgin","vk-","voda","voxtel","vx","wap","wellco","wig browser","wii","windows ce","wireless","xda","xde","zte");
	$is_mobile = false;
	foreach ($mobile_agents as $device) {
		if (stristr($user_agent, $device)) {
			$is_mobile = true;
			break;
		}
	}
	return $is_mobile;
}
//使用很简单
if( is_mobile() ){
//Your Code
}

a = [];

var canvas = document.getElementById('canvas');
var ctxt = canvas.getContext('2d');
var img = new Image;
img.onload = function(){
	ctxt.drawImage(img, 0, 0);
	var data = ctxt.getImageData(0, 0, 480, 480).data;
	console.log(data, data.toString());
}
img.src = 'img/pic.jpg';

var data = ctxt.getImageData(0, 0, 480, 480).data;
for(var i =0,len = data.length; i<len ;i+=4){
	var red = data[i],
		green = data[i+1],
		blue = data[i+2],
		alpha = data[i+3];
 
}