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html2pdf-img

v1.0.2

Published

HTML下载和打印pdf或者img格式,并支持水印,pdf支持配置分页元素自动分页,不会截断元素。

Downloads

11

Readme

html2pdf-img

HTML 下载或打印 pdf 或者 img 格式,pdf 也是以图片形式生成的,并支持水印,pdf 支持配置分页元素自动分页,不会截断元素。

基于 jspdf.js 和 watermark.js 二次封装,并且优化了 pdf 的分割判断方式,不会出现截断元素的问题。

安装:

npm i html2pdf-img

yarn add html2pdf-img

关键代码

import JsPdfImg from "html2pdf-img";

new JsPdfImg("#printPage", "导出的图片名称", {
  watermarkOption: {
    watermark_txt: "水印配置",
    z_index: 97,
    watermark_x: 0,
    watermark_y: 0,
    watermark_x_space: 160,
    watermark_y_space: 160,
    watermark_width: 180,
  },
}).outImage(
  () => {
    console.log("结束");
  },
  { isSave: false, isPrint: true }
);

new JsPdfImg("#printPage", "导出的pdf名称", {
  pageBreak: [".title", "#area", "li", "h3"], // 当导出pdf时候,这个参数必填
  pageStartOffset: 20, // 每个页头的留空距离
  watermarkOption: {
    watermark_txt: "水印配置",
    z_index: 97,
    watermark_x: 0,
    watermark_y: 0,
    watermark_x_space: 160,
    watermark_y_space: 160,
    watermark_width: 180,
  },
}).outPdf(() => {
  console.log("结束");
});

水印的配置参数:

watermarkOption: {
  watermark_id: 'wm_div_id',          //水印总体的id
  watermark_prefix: 'mask_div_id',    //小水印的id前缀
  watermark_txt:"测试水印",             //水印的内容
  watermark_x:20,                     //水印起始位置x轴坐标
  watermark_y:20,                     //水印起始位置Y轴坐标
  watermark_rows:0,                   //水印行数
  watermark_cols:0,                   //水印列数
  watermark_x_space:20,              //水印x轴间隔
  watermark_y_space:20,               //水印y轴间隔
  watermark_font:'微软雅黑',           //水印字体
  watermark_color:'black',            //水印字体颜色
  watermark_fontsize:'18px',          //水印字体大小
  watermark_alpha:0.15,               //水印透明度,要求设置在大于等于0.005
  watermark_width:100,                //水印宽度
  watermark_height:100,      //水印长度
  watermark_angle:15,       //水印倾斜度数
  watermark_parent_width:0, //水印的总体宽度(默认值:body的scrollWidth和clientWidth的较大值)
  watermark_parent_height:0, //水印的总体高度(默认值:body的scrollHeight和clientHeight的较大值)
  watermark_parent_node:null,  //水印插件挂载的父元素element,不输入则默认挂在body上
  monitor:true, //monitor 是否监控, true: 不可删除水印; false: 可删水印。
  z_index: 9999999,
  watermark_img: '',
}

感谢 https://github.com/saucxs/watermark-dom

outPdf 方法

outImage(successCallback,options)方法是用来下载和打印 pdf 文件

| 属性名 | 类型 | 含义 | 默认值 | | --------------- | -------- | ---------------- | ----------------------------- | | successCallback | function | 执行成功回调函数 | | | options | IOptions | 配置项 | {isSave:true,isPrint:false} |

IOptions

| 属性名 | 类型 | 含义 | 默认值 | | ------- | ------- | ------------ | ------------ | | isSave | boolean | 是否进行下载 | true | | isPrint | boolean | 是否进行打印 | false | | imgType | string | 图片类型;image/png、image/jpeg 或 image/webp | 'image/png' |