parent
22e6006abe
commit
50b3c6a900
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<?xml version="1.0" encoding="UTF-8"?>
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<module version="4">
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<component name="AdditionalModuleElements">
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<content url="file://$MODULE_DIR$/dsPay" dumb="true">
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<sourceFolder url="file://$MODULE_DIR$/dsPay/src/resources" type="java-resource" />
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</content>
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</component>
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</module>
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import org.icepear.echarts.Bar;
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import org.icepear.echarts.render.Engine;
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public class Echarts {
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//https://github.com/ECharts-Java/ECharts-Java
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public static void main(String[] args) {
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// All methods in EChart Java supports method chaining
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Bar bar = new Bar()
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.setLegend()
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.setTooltip("item")
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.addXAxis(new String[] { "Matcha Latte", "Milk Tea", "Cheese Cocoa", "Walnut Brownie" })
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.addYAxis()
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.addSeries("2015", new Number[] { 43.3, 83.1, 86.4, 72.4 })
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.addSeries("2016", new Number[] { 85.8, 73.4, 65.2, 53.9 })
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.addSeries("2017", new Number[] { 93.7, 55.1, 82.5, 39.1 });
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Engine engine = new Engine();
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// The render method will generate our EChart into a HTML file saved locally in the current directory.
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// The name of the HTML can also be set by the first parameter of the function.
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engine.render("index.html", bar);
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// It is recommended that you can get the serialized version of Option in the representation of JSON, which can be used directly in the template or in the RESTful APIs.
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String jsonStr = engine.renderJsonOption(bar);
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System.out.println(jsonStr);
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}
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}
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@ -1,82 +0,0 @@
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.OutputStream;
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import org.xhtmlrenderer.pdf.ITextFontResolver;
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import org.xhtmlrenderer.pdf.ITextRenderer;
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import com.lowagie.text.pdf.BaseFont;
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public class HtmltoPDF {
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public static void main( String[] args ) throws Exception{
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// htmlToPdf();
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// htmlToPdf2();
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htmlToPdf3();
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}
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// 不支持中文
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public static void htmlToPdf() throws Exception
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{
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String inputFile = "D:/Test/flying.html";
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String url = new File( inputFile ).toURI().toURL().toString();
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String outputFile = "D:/Test/flying.pdf";
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OutputStream os = new FileOutputStream( outputFile );
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ITextRenderer renderer = new ITextRenderer();
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renderer.setDocument( url );
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renderer.layout();
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renderer.createPDF( os );
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os.close();
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}
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// 支持中文
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public static void htmlToPdf2() throws Exception {
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String outputFile = "F:/TestDemo/demo_3.pdf";
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OutputStream os = new FileOutputStream(outputFile);
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ITextRenderer renderer = new ITextRenderer();
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ITextFontResolver fontResolver = renderer.getFontResolver();
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fontResolver.addFont("C:/Windows/fonts/simsun.ttc", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
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StringBuffer html = new StringBuffer();
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// DOCTYPE 必需写否则类似于 这样的字符解析会出现错误
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html.append("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
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html.append("<html xmlns=\"http://www.w3.org/1999/xhtml\">").
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append("<head>")
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.append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />")
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.append("<style type=\"text/css\" mce_bogus=\"1\">body {font-family: SimSun;}</style>")
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.append("</head>")
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.append("<body>");
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html.append("<div>支持中文！</div>");
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html.append("</body></html>");
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renderer.setDocumentFromString(html.toString());
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// 解决图片的相对路径问题
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// renderer.getSharedContext().setBaseURL("file:/F:/teste/html/");
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renderer.layout();
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renderer.createPDF(os);
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System.out.println("======转换成功!");
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os.close();
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}
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public static void htmlToPdf3() throws Exception{
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String inputFile = "F:/TestDemo/test.html"; //本地目录必须html语言否则报错
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String outFile = "F:/TestDemo/test.pdf";
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OutputStream os = null;
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os = new FileOutputStream(outFile);
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ITextRenderer renderer = new ITextRenderer();
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ITextFontResolver fontResolver = renderer.getFontResolver();
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fontResolver.addFont("C:/Windows/fonts/simsun.ttc", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
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String url = new File( inputFile ).toURI().toURL().toString();
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System.out.println("=============url: "+url);
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renderer.setDocument(url);
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renderer.layout();
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renderer.createPDF(os);
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System.out.println("======转换成功!");
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os.close();
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}
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}
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@ -0,0 +1,70 @@
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<html>
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>ECharts Demo</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/echarts/5.2.2/echarts.min.js"
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integrity="sha512-ivdGNkeO+FTZH5ZoVC4gS4ovGSiWc+6v60/hvHkccaMN2BXchfKdvEZtviy5L4xSpF8NPsfS0EVNSGf+EsUdxA=="
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crossorigin="anonymous" referrerpolicy="no-referrer"></script>
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<style>
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body {
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margin: 0;
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display: flex;
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flex-direction: row;
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justify-content: center;
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}
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#title-container {
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width: 600px;
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display: flex;
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flex-direction: row;
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justify-content: space-between;
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align-items: center;
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}
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#download-btn {
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border-radius: 6px;
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background-color: aliceblue;
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border: 1px solid black;
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}
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#display-container {
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width: 600px;
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height: 600px;
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border: 2px solid black;
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}
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</style>
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</head>
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<body>
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<div id="container">
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<div id="title-container">
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<h1 class="display">ECharts Java</h1>
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<button id="download-btn" onclick="downloadImage()">Download Image</button>
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</div>
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<div id="display-container">
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</div>
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</div>
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<script type="text/javascript">
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function downloadImage() {
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let canvas = document.querySelector("canvas");
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let image = canvas.toDataURL("image/png").replace("image/png",
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"image/octet-stream");
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let fakeLink = document.createElement("a");
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if (typeof fakeLink.download === "string") {
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document.body.appendChild(fakeLink);
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fakeLink.download = "echart.png";
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fakeLink.href = image;
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fakeLink.click();
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document.body.removeChild(fakeLink);
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} else {
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location.replace(image);
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}
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}
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var chart = echarts.init(document.getElementById("display-container"));
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var option = {"xAxis":[{"type":"category","data":["Matcha Latte","Milk Tea","Cheese Cocoa","Walnut Brownie"]}],"yAxis":[{"type":"value"}],"tooltip":{"trigger":"item"},"legend":{},"series":[{"type":"bar","name":"2015","data":[43.3,83.1,86.4,72.4]},{"type":"bar","name":"2016","data":[85.8,73.4,65.2,53.9]},{"type":"bar","name":"2017","data":[93.7,55.1,82.5,39.1]}]}
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chart.setOption(option);
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</script>
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</body>
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</html>
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Loading…
Reference in new issue