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@@ -59,6 +59,7 @@ $("#pageIndex").keypress(function(event) {
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$("#zoomOut").click(function() {
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if (scale >= 0.2) {
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scale = scale / 1.2;
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+ changeTextOfSelectScale()
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renderPage();
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}
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});
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@@ -67,6 +68,7 @@ $("#zoomOut").click(function() {
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$("#zoomIn").click(function() {
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if (scale <= 5) {
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scale = scale * 1.2;
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+ changeTextOfSelectScale()
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renderPage();
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}
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});
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@@ -115,7 +117,9 @@ $("body").keydown(function(event) {
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}
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});
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-// 获取窗口宽度
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+/**
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+ * 获取窗口宽度
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+ */
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function getWindowWidth() {
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if (window.innerWidth)
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winWidth = window.innerWidth;
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@@ -134,7 +138,9 @@ function getWindowWidth() {
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}
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}
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-// 发送请求，服务器端进行填充报表、生成pdf文件等操作
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+/**
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+ * 发送请求，服务器端进行填充报表、生成pdf文件等操作
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+ */
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function loadPdfData() {
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var loadPdfDataUrl = "print/loadPdfData" + window.location.search;
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if (!pageIndex) {
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@@ -170,7 +176,9 @@ function loadPdfData() {
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});
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};
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-// 下载pdf文件
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+/**
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+ * 下载pdf文件
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+ */
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function getDocument() {
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PDFJS.getDocument(url).then(function(pdfDoc_) {
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// 更新页码
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@@ -181,7 +189,9 @@ function getDocument() {
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});
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}
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-// Get page info from document, resize canvas accordingly, and render page.
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+/**
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+ * Get page info from document, resize canvas accordingly, and render page
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+ */
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function renderPage() {
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if (!pdfDoc) {
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return;
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@@ -222,7 +232,9 @@ function getScale(page, multipleOfWindowWidth) {
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return multipleOfWindowWidth / (viewportWidth / winWidth);
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}
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-// 预览前一页
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+/**
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+ * 预览前一页
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+ */
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function prevPage() {
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if (!pdfDoc || pageIndex <= 1) {
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return;
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@@ -232,11 +244,24 @@ function prevPage() {
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getDocument();
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}
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-// 预览后一页
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+/**
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+ * 预览后一页
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+ */
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function nextPage() {
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if (!pdfDoc || pageIndex >= pageSize) {
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return;
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}
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url = url.replace(pageIndex + ".pdf", (++pageIndex) + ".pdf");
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getDocument();
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+}
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+
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+/**
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+ * 修改缩放下拉框所显示的内容
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+ */
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+function changeTextOfSelectScale() {
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+ var hiddenOption = document.getElementById("hiddenOption");
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+ hiddenOption.removeAttribute("hidden");
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+ hiddenOption.text = (scale * 100).toFixed() + "%";
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+ hiddenOption.selected = true;
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+ hiddenOption.hidden = true;
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}
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sunyj