Web设计器如何自定义下拉字体选项

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本帖最后由 KearneyKang 于 2023-6-21 09:46 编辑

ARJS提供web端的设计器，Web端设计器在进行报表设计的时候默认可选择的字体有 42 种可供选择

但是在实际业务中，有时候我们不需要报表设计者有那么多的字体可供选择。我只想设置几种常见的字体如：微软雅黑、宋体、楷体、等线等几种字体。
因为ARJS是一种纯前端报表控件，在报表导出PDF的时候如果没有进行对应字体配置，会出现一个情况进行。导出PDF时候部分字体会出现小空格、字体显示乱码的情况。但是我们在进行报表集成的时候也很难做到在字体配置的那个json文件中把所有字体对应的字体配置文件全部给装载到项目中，比较字体文件还是比较大的。
为了解决上面的问题，下面我就给大家讲解下如何通过前端配置实现web设计器字体下拉想选择自定义

1、首先进行字体配置文件Json的设置——fontsConfig.json文件
其中Source就是对应字体文件存放的源文件的相对路径，这点一定要配置好，不然导出PDF的时候就会出现小空格、字体显示乱码的情况

{
"path": "",
"descriptors": [
{
"name": "微软雅黑",
"locals": [
"微软雅黑",
"MicrosoftYaHei"
],
"source": "fonts/SimHei.ttf"
},
{
"name": "宋体",
"source": "<span style="color: rgb(163, 21, 21); background-color: rgb(255, 255, 255); font-family: Consolas, "Courier New", monospace; white-space: pre;">fonts/simsun.ttc</span>"
}
]
}

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2、Source对应字体文件的来源可以在网上下载，也可以直接在本地电脑的 Fonts文件中查找

3、json文件配置好之后，把对应的文件要集成到项目中去，然后进行有一个字体下拉重置的设置

var designer = new GC.ActiveReports.ReportDesigner.Designer("#designer-host", { language: "zh" });
GC.ActiveReports.Core.FontStore.registerFonts("/fonts/fontsConfig.json").then(() => {
designer.fontSet = 'registered';
});

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4、在Html项目中的具体配置

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>ActiveReportsJS sample</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<script src="/dist/ie-polyfills.js"></script>
<script src="https://cdn.grapecity.com/activereportsjs/4.latest/dist/ar-js-core.js"></script>
<script src="/dist/ar-js-designer.js"></script>
<script src="/dist/ar-js-viewer.js"></script>
<script src="/dist/ar-js-pdf.js"></script>
<script src="/dist/locales/designer/zh-locale.js"></script>
<script src="/dist/locales/ar-js-locales.js"></script>
<link href="https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap"
rel="stylesheet" />
<link rel="stylesheet"
href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"
integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z"
crossorigin="anonymous" />
<link rel="stylesheet"
type="text/css"
href="/styles/ar-js-ui.css" />
<link rel="stylesheet"
type="text/css"
href="/styles/ar-js-viewer.css" />
<link rel="stylesheet"
type="text/css"
href="/styles/ar-js-designer.css" />
<style>
#designer-host, #viewer-host {
margin: 0 auto;
width: 100%;
height: 800px;
}
</style>
</head>
<body>
<div id="designer-toolbar" class="container-fluid">
<div class="row mt-3 mb-3">
<button id="btnPdfPreview"
type="button"
class="btn btn-primary btn-sm col-sm-2 ml-1"
onclick="onPdfPreview()">
PDF 预览
</button>
<button id="btnDesignerOpen"
type="button"
class="btn btn-primary btn-sm col-sm-2 ml-1"
onclick="onOpenDesigner()">
打开设计器
</button>
</div>
</div>
<div id="designer-host"></div>
<div id="viewer-host"></div>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous"></script>
<script>
var designer = new GC.ActiveReports.ReportDesigner.Designer("#designer-host", { language: "zh" });
GC.ActiveReports.Core.FontStore.registerFonts("/fonts/fontsConfig.json").then(() => {
designer.fontSet = 'registered';
});
function onOpenDesigner() {
$('#viewer-host, #btnDesignerOpen').hide();
$('#designer-host, #btnPdfPreview').show();
}
async function onPdfPreview() {
const reportInfo = await this.designer.getReport();
const report = new GC.ActiveReports.Core.PageReport()
await report.load(reportInfo?.definition);
const doc = await report.run();
const result = await GC.ActiveReports.PdfExport.exportDocument(doc);
result.download("exportedreport.pdf");
}
var reportTemplates = GC.ActiveReports.ReportDesigner.templates;
var resolveFunc = null;
var counter = 0;
reportStorage = new Map();
function fillReportList() {
$('#listReports').empty();
let reportIds = reportStorage.keys();
let result = reportIds.next();
while (!result.done) {
const reportId = result.value;
const openReportBtn = $('<button type="button" class="list-group-item list-group-item-action">' + reportId + '</button>');
openReportBtn.on('click', function () {
onSelectReport(reportId);
})
$('#listReports').append(openReportBtn);
result = reportIds.next();
}
}
designer.setActionHandlers({
onRender: (report) => {
$('#viewer-host, #btnDesignerOpen').show();
$('#designer-host, #btnPdfPreview').hide();
viewer.open(report.definition);
return Promise.resolve();
},
onCreate: function () {
designer.setReport({ id: 'reports/空白RDL报表.rdlx-json'});
},
/*onOpen: function () {
const ret = new Promise(function (resolve) {
resolveFunc = resolve
fillReportList();
$("#dlgOpen").modal("show");
});
return ret;
},*/
onOpen:function()
{
const input=document.createElement("input");
input.id="input";
input.type="file";
input.style.opacity=0;
input.addEventListener('change',() => {
let files = document.getElementById("input").files;
if(files.length){
let file = files[0];
let reader = new FileReader();
reader.onload = function(){
console.log(this.result);
};
reader.readAsText(file);
}
});
if( document.getElementById('input')){
$("#input").click();
}
document.body.appendChild(input);
},
onSave: function (info) {
const reportId = info.id || `NewReport${++this.counter}`;
reportStorage.set(reportId, info.definition);
return Promise.resolve({ displayName: reportId });
},
onSaveAs: function (info) {
const reportId = `NewReport${++this.counter}`;
alert(reportId);
reportStorage.set(reportId, info.definition);
return Promise.resolve({ id: reportId, displayName: reportId });
}
});
designer.setReport({ id: 'reports/钻头使用情况.rdlx-json'});
var viewer = new ActiveReports.Viewer('#viewer-host', { language: "zh" });
$('#viewer-host, #btnDesignerOpen').hide();
function onSelectReport(reportId) {
if (resolveFunc) {
$("#dlgOpen").modal("hide");
resolveFunc({ definition: reportStorage.get(reportId), id: reportId, displayName: reportId });
resolveFunc = null;
}
}
//designerOptions.dataTab.dataSources.visible=true;
//designerOptions.dataTab.dataSets.canModify =true;
//designerOptions.dataTab.dataSources.canModify =true;
</script>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"
integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN"
crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"
integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV"
crossorigin="anonymous"></script>
<div class="modal" id="dlgOpen" tabindex="-1" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">
打开报表
</h5>
<button type="button"
class="close"
data-dismiss="modal"
aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<h2>请选择报表：</h2>
<div class="list-group" id="listReports">
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">
关闭
</button>
</div>
</div>
</div>
</div>
</body>
</html>

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5、预览结果

6、demo

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Web设计器如何自定义下拉字体选项

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