jquery.tochart.js

var _jq, _hc;
var jqsrc = "http://code.jquery.com/jquery-1.7.min.js";
var hcsrc = "http://code.highcharts.com/highcharts.js";

function checkJquery() {
    if(typeof(jQuery) == "function") {
        window.clearInterval(_jq);
        initHighcharts();
    }
}
function checkHighcharts() {
    if(typeof(jQuery("body").highcharts) == "function") {
        window.clearInterval(_hc);
        initTochart();
    }
}
function initJquery() {
    if(typeof(jQuery) != "function") {
        var jq = document.createElement("script");
        jq.type = "text/javascript";
        jq.src = jqsrc;
        document.body.appendChild(jq);

        _jq = window.setInterval(checkJquery, 500);
    } else {
        initHighcharts();
    }
}
function initHighcharts() {
    if(typeof(jQuery("body").highcharts) != "function") {
        var hc = document.createElement("script");
        hc.type = "text/javascript";
        hc.src = hcsrc;
        document.body.appendChild(hc);

        _hc = window.setInterval(checkHighcharts, 500);
    } else {
        initTochart();
    }
}
function initTochart() {
    jQuery.fn.tochart = function(options) {
        var defaults = {x: 0, sort: null, include: [], exclude: []};
        var opts = $.extend(defaults, options);

        var title = {}, rtitle = {};
        jQuery.each(jQuery(this).find("tr:first").find("th"), function(i, o) {
            title[i] = jQuery(o).text();
            rtitle[jQuery(o).text()] = i;
        });

        var include = [], exclude = [];
        
        if(!opts.x) opts.x = 0; 
        else if(typeof(opts.x) == "string") opts.x = rtitle[opts.x] || 0;
        else if(!typeof(opts.x) != "number") opts.x = 0;

        if(opts.include instanceof Array) {
            for(var i = 0; i < opts.include.length; i++) {
                var c = opts.include[i];
                if(typeof(c) == "number") include.push(c);
                else if(typeof(c) == "string" && rtitle[c] != undefined) include.push(rtitle[c]);
            }
        }

        if(opts.exclude instanceof Array) {
            for(var i = 0; i < opts.exclude.length; i++) {
                var c = opts.exclude[i];
                if(typeof(c) == "number") exclude.push(c);
                else if(typeof(c) == "string" && rtitle[c] != undefined) exclude.push(rtitle[c]);
            }
        }

        var rows = jQuery(this).find("tr");
        if(typeof(opts.sort) == "boolean") {
            rows.sort(function(a, b) {
                return jQuery(a).find("td:eq(" + opts.x + ")").text().localeCompare(jQuery(b).find("td:eq(" + opts.x + ")").text()) * (opts.sort ? 1 : -1);
            });
        }

        var data = {};
        jQuery.each(rows, function(i, o) {
            jQuery.each(jQuery(o).find("td"), function(j, p) {
                if(data[j] == undefined) {
                    data[j] = [];
                }
                if(j == opts.x) {
                    data[j].push(jQuery(p).text());
                } else if(!isNaN(jQuery(p).text())) {
                    data[j].push(parseFloat(jQuery(p).text()));
                } else {
                    data[j].push(0);
                }
            });
        });

        var ys = [];
        for(var c in title) {
            var i = parseInt(c);
            if(i != opts.x && (include.length == 0 || include.indexOf(i) != -1) && (exclude.length == 0 || exclude.indexOf(i) == -1)) {
                ys.push({name: title[i], data: data[i]});
            }
        }

        jQuery("body").append("<div id=\"__chart\" style=\"display: block;\"></div>");
        jQuery("#__chart").highcharts({
            title: {
                text: ""
            },
            credits: {
                enabled: false
            },
            xAxis: {
                categories: data[opts.x]
            },
            series: ys,
            tooltip: {
                formatter: function() {
                    return this.x + "<br />" + this.series.name + ": " + this.y;
                }
            }
        });
    }    
}

initJquery();

 

用法: $('table').tochart({x:'日期',sort:true,exclude:['ID']}) 

posted @ 2014-06-20 02:03  jieyuefeng  阅读(324)  评论(0)    收藏  举报