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2020
10-08

Java 基于Spire.Cloud.SDK for Java在PDF中绘制形状

Spire.Cloud.SDK for Java提供了pdfPathApi接口可用于在PDF文档中绘制形状(或图形),如绘制线条形状drawLine()、绘制矩形形状drawRectanglef(),下面将介绍如何通过Java示例和步骤来实现:

一、导入jar文件。(有2种方式)

创建Maven项目程序,通过maven仓库下载导入。以IDEA为例,新建Maven项目,在pom.xml文件中配置maven仓库路径,并指定spire.cloud.sdk的依赖,如下:

<repositories>
 <repository>
  <id>com.e-iceblue</id>
  <name>cloud</name>
  <url>http://repo.e-iceblue.cn/repository/maven-public/</url>
 </repository>
</repositories>

<dependencies>
  <dependency>
   <groupId> cloud </groupId>
   <artifactId>spire.cloud.sdk</artifactId>
   <version>3.5.0</version>
  </dependency>

  <dependency>
  <groupId> com.google.code.gson</groupId>
  <artifactId>gson</artifactId>
  <version>2.8.1</version>
  </dependency>

  <dependency>
   <groupId> com.squareup.okhttp</groupId>
   <artifactId>logging-interceptor</artifactId>
   <version>2.7.5</version>
  </dependency>

  <dependency>
   <groupId> com.squareup.okhttp </groupId>
   <artifactId>okhttp</artifactId>
   <version>2.7.5</version>
  </dependency>

  <dependency>
   <groupId> com.squareup.okio </groupId>
   <artifactId>okio</artifactId>
   <version>1.6.0</version>
  </dependency>

  <dependency>
   <groupId> io.gsonfire</groupId>
   <artifactId>gson-fire</artifactId>
   <version>1.8.0</version>
  </dependency>

  <dependency>
   <groupId>io.swagger</groupId>
   <artifactId>swagger-annotations</artifactId>
   <version>1.5.18</version>
  </dependency>

  <dependency>
   <groupId> org.threeten </groupId>
   <artifactId>threetenbp</artifactId>
   <version>1.3.5</version>
  </dependency>
</dependencies>

完成配置后,点击“Import Changes” 即可导入所有需要的jar文件。如果使用的是Eclipse,可参考https://cloud.e-iceblue.cn/index.php/tutorials/cloud/webapi/java/maven-spire-cloud-web-api的导入方法。

导入结果:

二、登录冰蓝云账号,创建文件夹,上传文档

三、创建应用程序,获取App ID及App Key

四、Java代码示例

【示例1】绘制线条形状

import spire.cloud.pdf.sdk.ApiException;
import spire.cloud.pdf.sdk.Configuration;
import spire.cloud.pdf.sdk.api.PdfPathApi;

public class DrawLine {
 //配置账号信息
 static String appId = "App ID";
 static String appKey = "App Key";
 static String baseUrl= "https://api.e-iceblue.cn";
 static Configuration configuration = new Configuration(appId, appKey, baseUrl);
 static PdfPathApi pdfPathApi = new PdfPathApi(configuration);

 public static void main(String[] args) throws ApiException {
  String name = "samplefile.pdf";//用于测试的PDF源文档
  String outPath = "output/DrawLine.pdf";//结果文档路径(保存在冰蓝云端output文件夹下)
  int pageNumber = 1;//指定需要绘制线段的PDF页面
  float firstPointfX = 100;//指定线段起始点坐标
  float firstPointfY = 150;
  float secondPointfX = 400;
  float secondPointfY = 150;
  String folder = "input";//源文档输在文件夹
  String storage = null;//冰蓝云提供的2G免费云存储空间
  String password = null;//源文档密码(无密码设置为null)

  //调用方法绘制线条
  pdfPathApi.drawLine(name, outPath, pageNumber, firstPointfX, firstPointfY, secondPointfX, secondPointfY, folder, storage, password);
 }
}

线条绘制效果:

【示例2】绘制矩形形状

import spire.cloud.pdf.sdk.ApiException;
import spire.cloud.pdf.sdk.Configuration;
import spire.cloud.pdf.sdk.api.PdfPathApi;
import spire.cloud.pdf.sdk.model.RectangleF;

public class DrawRec {
 //配置账号信息
 static String appId = "App ID";
 static String appKey = "App Key";
 static String baseUrl= "https://api.e-iceblue.cn";
 static Configuration configuration = new Configuration(appId, appKey, baseUrl);
 static PdfPathApi pdfPathApi = new PdfPathApi(configuration);

 public static void main(String[] args) throws ApiException {
  String name = "samplefile1.pdf";//加载需要添加形状的PDF源文档
  String outPath = "output/DrawRectanglef.pdf";//指定结果文档路径(保存在冰蓝云端output文件夹下)
  int pageNumber = 1;//指定需要添加形状的PDF页面

  RectangleF rect = new RectangleF();//创建RectangleF类的对象
  rect.setX(100f);//指定形状坐标
  rect.setY(100f);
  rect.setWidth(350f);//指定形状宽度、高度
  rect.setHeight(60f);

  String folder = "input";//源文档所在文件夹
  String storage = null;//冰蓝云提供的2G免费存储空间
  String password = null;//源文档密码(无密码设置为null)

  //调用方法绘制矩形
  pdfPathApi.drawRectanglef(name, outPath, pageNumber, rect, folder, storage, password);
 }
}

矩形绘制效果:

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