ionic中引入d3 - Githubissues

引入资源

<script src="/assets/d3.min.js"></script>

组件页面声明及使用


import {Component} from "@angular/core";
import {NavController} from "ionic-angular";
declare let d3: any;
/*
Generated class for the D3 page.

See http://ionicframework.com/docs/v2/components/#navigation for more info on
Ionic pages and navigation.
*/
@Component({
selector: 'page-d3',
templateUrl: 'd3.html'
})
export class D3Page {

constructor(public navCtrl: NavController) {
}

ionViewDidLoad() {
    console.log('Hello D3 Page');
    this.svgInit();
}

//初始化SVG
svgInit() {
    var svg = d3.select("svg"),
        width = +svg.attr("width"),
        height = +svg.attr("height");

    var format = d3.format(",d");

    var color = d3.scaleOrdinal(d3.schemeCategory20c);

    var pack = d3.pack()
        .size([width, height])
        .padding(1.5);

    d3.csv("assets/flare.csv", function(d) {
        d.value = +d.value;
        if (d.value) return d;
    }, function(error, classes) {
        if (error) throw error;

        var root = d3.hierarchy({children: classes})
            .sum(function(d) { return d.value; })
            .each(function(d) {
                if (id = d.data.id) {
                    var id, i = id.lastIndexOf(".");
                    d.id = id;
                    d.package = id.slice(0, i);
                    d.class = id.slice(i + 1);
                }
            });

        var node = svg.selectAll(".node")
            .data(pack(root).leaves())
            .enter().append("g")
            .attr("class", "node")
            .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

        node.append("circle")
            .attr("id", function(d) { return d.id; })
            .attr("r", function(d) { return d.r; })
            .style("fill", function(d) { return color(d.package); });

        node.append("clipPath")
            .attr("id", function(d) { return "clip-" + d.id; })
            .append("use")
            .attr("xlink:href", function(d) { return "#" + d.id; });

        node.append("text")
            .attr("clip-path", function(d) { return "url(#clip-" + d.id + ")"; })
            .selectAll("tspan")
            .data(function(d) { return d.class.split(/(?=[A-Z][^A-Z])/g); })
            .enter().append("tspan")
            .attr("x", 0)
            .attr("y", function(d, i, nodes) { return 13 + (i - nodes.length / 2 - 0.5) * 10; })
            .text(function(d) { return d; });

        node.append("title")
            .text(function(d) { return d.id + "\n" + format(d.value); });
    });
}

}

alanhe421 / ionic-demo

ionic中引入d3 #12