Leanote中pdf导出功能配置

# 安装步骤

1. 二进制版本wkhtmltopdf安装 本站下载安装包
 2. 测试wkhtmltopdf
 3. 中文问题
 4. 系统配置
 5. 完成

### 二进制版本wkhtmltopdf安装
```
#获取安装包 1方法
wget https://downloads.wkhtmltopdf.org/0.12/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm
#2方法
curl -O https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm

#发现有依赖缺少（少得真多啊！）
rpm -ivh wkhtmltox-0.12.5-1.centos7.x86_64.rpm
error: Failed dependencies:
	fontconfig is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	freetype is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	libX11 is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	libXext is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	libXrender is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	libjpeg is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	libpng is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	openssl is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	xorg-x11-fonts-75dpi is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	xorg-x11-fonts-Type1 is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64

#安装依赖
yum install -y fontconfig libX11 libXext libXrender xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi libpng

#如果还是少就找到它单个安装
error: Failed dependencies:
	libjpeg is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64
	openssl is needed by wkhtmltox-1:0.12.5-1.centos7.x86_64

yum install -y wkhtmltox*

#安装完成
rpm -ivh wkhtmltox-0.12.5-1.centos7.x86_64.rpm
Preparing...                          ################################# [100%]
	package wkhtmltox-1:0.12.5-1.centos7.x86_64 is already installed
```

### 测试wkhtmltopdf
```
wkhtmltopdf http://google.com google.pdf
Loading pages (1/6)
Counting pages (2/6)                                               
Resolving links (4/6)                                                       
Loading headers and footers (5/6)                                           
Printing pages (6/6)
Done                             
```

### 中文问题
```
wkhtmltopdf https://www.baidu.com bd.pdf            
Loading pages (1/6)
Counting pages (2/6)                                               
Resolving links (4/6)                                                       
Loading headers and footers (5/6)                                           
Printing pages (6/6)
Done                            
```
得到的bd.pdf中文出现[][][][][]
![](/api/file/getImage?fileId=5c838913f5edb70a4f000030)
解决办法：

> 从windwows机器的windwows/fonts目录拷贝几个中文字体文件(微软雅黑之类的)到linux系统的/usr/share/fonts目录
-或者
从MAC的/Library/Fonts路径下把*.ttf文件全部复制到linux系统的/usr/share/fonts目录中
![](/api/file/getImage?fileId=5c838913f5edb70a4f00002f)
只是为什么没有图片呢？！

### 系统配置
>其实在管理员后台配置wkhtmltopdf的路径的时候，有默认值，如果直接使用默认安装的话，路径是不需要修改的，直接确定保存下就可以了。

### 完成啦

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