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trhsy
2018年10月31日17:34:48
目录

给博客添加照片

# 给博客添加照片

# 准备

在github创建一个新库名字叫Blog_Album，（名字随便起）本地新建文件名字同样叫Blog_Album，打开Git切换到当前文件夹下执行命令git init创建本地库，然后再次执行git remote add origin 你Github仓库ssh地址

# 安装python

下载地址 (opens new window) 下载安装后打开cmd,切换都python安装目录下Scripts\我的地址D:\work\Python\Python37\Scripts 之后执行

easy_install-3.7.exe pip
pip install pillow

本地新建的Blog_Album文件下新建一个文件夹/photos，和min_photos文件夹，并且再Blog_Album下新建tool.py文件 代码如下:

#coding: utf-8
from PIL import Image
import os
import sys
import json
from datetime import datetime
from Imageprocessing import Graphics

# 定义压缩比，数值越大，压缩越小
SIZE_normal = 1.0
SIZE_small = 1.5
SIZE_more_small = 2.0
SIZE_more_small_small = 3.0


def make_directory(directory):
    """创建目录"""
    os.makedirs(directory)

def directory_exists(directory):
    """判断目录是否存在"""
    if os.path.exists(directory):
        return True
    else:
        return False

def list_img_file(directory):
    """列出目录下所有文件，并筛选出图片文件列表返回"""
    old_list = os.listdir(directory)
    # print old_list
    new_list = []
    for filename in old_list:
        name, fileformat = filename.split(".")
        if fileformat.lower() == "jpg" or fileformat.lower() == "png" or fileformat.lower() == "gif":
            new_list.append(filename)
    # print new_list
    return new_list


def print_help():
    print("""
    This program helps compress many image files
    you can choose which scale you want to compress your img(jpg/png/etc)
    1) normal compress(4M to 1M around)
    2) small compress(4M to 500K around)
    3) smaller compress(4M to 300K around)
    """)

def compress(choose, des_dir, src_dir, file_list):
    """压缩算法，img.thumbnail对图片进行压缩，
    
    参数
    -----------
    choose: str
            选择压缩的比例，有4个选项，越大压缩后的图片越小
    """
    if choose == '1':
        scale = SIZE_normal
    if choose == '2':
        scale = SIZE_small
    if choose == '3':
        scale = SIZE_more_small
    if choose == '4':
        scale = SIZE_more_small_small
    for infile in file_list:
        img = Image.open(src_dir+infile)
        # size_of_file = os.path.getsize(infile)
        w, h = img.size
        img.thumbnail((int(w/scale), int(h/scale)))
        img.save(des_dir + infile)
def compress_photo():
    '''调用压缩图片的函数
    '''
    src_dir, des_dir = "photos/", "min_photos/"
    
    if directory_exists(src_dir):
        if not directory_exists(src_dir):
            make_directory(src_dir)
        # business logic
        file_list_src = list_img_file(src_dir)
    if directory_exists(des_dir):
        if not directory_exists(des_dir):
            make_directory(des_dir)
        file_list_des = list_img_file(des_dir)
        # print file_list
    '''如果已经压缩了，就不再压缩'''
    for i in range(len(file_list_des)):
        if file_list_des[i] in file_list_src:
            file_list_src.remove(file_list_des[i])
    compress('4', des_dir, src_dir, file_list_src)


def handle_photo():
    '''根据图片的文件名处理成需要的json格式的数据
    
    -----------
    最后将data.json文件存到博客的source/photos文件夹下
    '''
    src_dir, des_dir = "photos/", "min_photos/"
    file_list = list_img_file(src_dir)
    list_info = []
    for i in range(len(file_list)):
        filename = file_list[i]
        date_str, *info = filename.split("_")
        info='_'.join(info)
        info, _ = info.split(".")
        date = datetime.strptime(date_str, "%Y-%m-%d")
        year_month = date_str[0:7]            
        if i == 0:  # 处理第一个文件
            new_dict = {"date": year_month, "arr":{'year': date.year,
                                                                   'month': date.month,
                                                                   'link': [filename],
                                                                   'text': [info],
                                                                   'type': ['image']
                                                                   }
                                        } 
            list_info.append(new_dict)
        elif year_month != list_info[-1]['date']:  # 不是最后的一个日期，就新建一个dict
            new_dict = {"date": year_month, "arr":{'year': date.year,
                                                   'month': date.month,
                                                   'link': [filename],
                                                   'text': [info],
                                                   'type': ['image']
                                                   }
                        }
            list_info.append(new_dict)
        else:  # 同一个日期
            list_info[-1]['arr']['link'].append(filename)
            list_info[-1]['arr']['text'].append(info)
            list_info[-1]['arr']['type'].append('image')
    list_info.reverse()  # 翻转
    final_dict = {"list": list_info}
    with open("F:/项目/个人微博/love/themes/next/source/lib/album/data.json","w") as fp:
        json.dump(final_dict, fp)
def cut_photo():
    """裁剪算法
    
    ----------
    调用Graphics类中的裁剪算法，将src_dir目录下的文件进行裁剪（裁剪成正方形）
    """
    src_dir = "photos/"
    if directory_exists(src_dir):
        if not directory_exists(src_dir):
            make_directory(src_dir)
        # business logic
        file_list = list_img_file(src_dir)
        # print file_list
        if file_list:
            print_help()
            for infile in file_list:
                img = Image.open(src_dir+infile)
                Graphics(infile=src_dir+infile, outfile=src_dir + infile).cut_by_ratio()            
        else:
            pass
    else:
        print("source directory not exist!")     



def git_operation():
    
    os.system('git add --all')
    os.system('git commit -m "add photos"')
    os.system('git push origin master')

# if __name__ == "__main__":
#     cut_photo()        # 裁剪图片，裁剪成正方形，去中间部分
#     compress_photo()   # 压缩图片，并保存到mini_photos文件夹下
#     git_operation()    # 提交到github仓库
#     handle_photo()     # 将文件处理成json格式，存到博客仓库中
cut_photo()        # 裁剪图片，裁剪成正方形，去中间部分
compress_photo()   # 压缩图片，并保存到mini_photos文件夹下
git_operation()    # 提交到github仓库
handle_photo()     # 将文件处理成json格式，存到博客仓库中

另外新建一个文件Imageprocessing.py，存放到python安装位置Python\Python35-32\Lib\site-packages下 代码如下：

# coding=utf-8  
from PIL import Image  
import shutil  
import os  

class Graphics:  
    '''图片处理类
    
    参数
    -------
    infile: 输入文件路径
    outfile: 输出文件路径
    '''
    def __init__(self, infile, outfile):
        self.infile = infile
        self.outfile = outfile

    def fixed_size(self, width, height):  
        """按照固定尺寸处理图片"""  
        im = Image.open(self.infile)  
        out = im.resize((width, height),Image.ANTIALIAS)  
        out.save(self.outfile)  


    def resize_by_width(self, w_divide_h):  
        """按照宽度进行所需比例缩放"""  
        im = Image.open(self.infile)  
        (x, y) = im.size   
        x_s = x  
        y_s = x/w_divide_h  
        out = im.resize((x_s, y_s), Image.ANTIALIAS)   
        out.save(self.outfile)  


    def resize_by_height(self, w_divide_h):  
        """按照高度进行所需比例缩放"""  
        im = Image.open(self.infile)  
        (x, y) = im.size   
        x_s = y*w_divide_h  
        y_s = y  
        out = im.resize((x_s, y_s), Image.ANTIALIAS)   
        out.save(self.outfile)  


    def resize_by_size(self, size):  
        """按照生成图片文件大小进行处理(单位KB)"""  
        size *= 1024  
        im = Image.open(self.infile)  
        size_tmp = os.path.getsize(self.infile)  
        q = 100  
        while size_tmp > size and q > 0:  
            print (q)  
            out = im.resize(im.size, Image.ANTIALIAS)  
            out.save(self.outfile, quality=q)  
            size_tmp = os.path.getsize(self.outfile)  
            q -= 5  
        if q == 100:  
            shutil.copy(self.infile, self.outfile)  

  
    def cut_by_ratio(self):  
        """按照图片长宽进行分割
        
        ------------
        取中间的部分，裁剪成正方形
        """  
        im = Image.open(self.infile)  
        (x, y) = im.size  
        if x > y:  
            region = (int(x/2-y/2), 0, int(x/2+y/2), y)  
            #裁切图片  
            crop_img = im.crop(region)  
            #保存裁切后的图片  
            crop_img.save(self.outfile)             
        elif x < y:  
            region = (0, int(y/2-x/2), x, int(y/2+x/2))
            #裁切图片  
            crop_img = im.crop(region)  
            #保存裁切后的图片  
            crop_img.save(self.outfile)

此外图片名字命名方式以YYYY-MM-DD_描述.jpg，时间年月日描述； 上面一切的操作为的是图片处理 完了在cmd中切换到你Blog_Album文件下执行命令python tool.py F:\项目\个人微博\Blog_Album\photos 就是你刚刚创建的文件下 执行前请修改data.json存放位置，大约在133行

with open("F:/项目/个人微博/love/themes/next/source/lib/album/data.json","w") as fp:
修改为
with open("你的博客项目地址/themes/next/source/lib/album/data.json","w") as fp:

# 博客相册页面

在博客项目跟目录下执行hexo n page photos,并再主题配置_config.yml文件中menu选项中添加photos

menu:
  home: / || home
  #about: /about/ || user
  tags: /tags/ || tags
  categories: /categories/ || th
  archives: /archives/ || archive
  photos: /photos  || camera
  #top: /top/ || signal
  #schedule: /schedule/ || calendar
  #sitemap: /sitemap.xml || sitemap
  #commonweal: /404/ || heartbeat

在photos中的index.md添加代码

---
title: 照片
date: 2018年10月31日17:34:48
tags: photos
type: "photos"
categories: photos
copyright: true
comments: true
fancybox: false
---
<link rel="stylesheet" href="../lib/album/ins.css">
<link rel="stylesheet" href="../lib/album/photoswipe.css"> 
<link rel="stylesheet" href="../lib/album/default-skin/default-skin.css"> 
<div class="photos-btn-wrap">
  <a class="photos-btn active" href="javascript:void(0)" target="_blank" rel="external">Photos</a>
</div>
<div class="instagram itemscope">
  <a href="http://yourbolg.com" target="_blank" class="open-ins">图片正在加载中…</a>
</div>
 
<script>
  (function() {
    var loadScript = function(path) {
      var $script = document.createElement('script')
      document.getElementsByTagName('body')[0].appendChild($script)
      $script.setAttribute('src', path)
    }
    setTimeout(function() {
        loadScript('../lib/album/ins.js')
    }, 0)
  })()
</script>

上述的css&js文件从这里下载 (opens new window) 把相应为文件拷贝到相应的位置，photoswipe-ui-default.min.js, photoswipe.min.js俩文件放到themes/next/source/js/src中。 对于ins.js修改，大概在121行左右就是你自己的github中的链接

var minSrc = 'https://github.com/123love123/my_album/tree/master/min_photos' + data.link[i];
			
var src = 'https://github.com/123love123/my_album/tree/master/photos/' + data.link[i];

修改成你的地址就行

# 其他配置

next/layout/_layout.swig的头部head前添加对js文件下修改

<script src="{{ url_for(theme.js) }}/src/photoswipe.min.js?v={{ theme.version }}"></script>
<script src="{{ url_for(theme.js) }}/src/photoswipe-ui-default.min.js?v={{ theme.version }}"></script>

body中


{% if page.type === "photos" %}
  <!-- Root element of PhotoSwipe. Must have class pswp. -->
  <div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="pswp__bg"></div>
    <div class="pswp__scroll-wrap">
        <div class="pswp__container">
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
            <div class="pswp__item"></div>
        </div>
        <div class="pswp__ui pswp__ui--hidden">
            <div class="pswp__top-bar">
                <div class="pswp__counter"></div>
                <button class="pswp__button pswp__button--close" title="Close (Esc)"></button>
                <button class="pswp__button pswp__button--share" title="Share"></button>
                <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>
                <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>
                <!-- Preloader demo http://codepen.io/dimsemenov/pen/yyBWoR -->
                <!-- element will get class pswp__preloader--active when preloader is running -->
                <div class="pswp__preloader">
                    <div class="pswp__preloader__icn">
                      <div class="pswp__preloader__cut">
                        <div class="pswp__preloader__donut"></div>
                      </div>
                    </div>
                </div>
            </div>
            <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
                <div class="pswp__share-tooltip"></div> 
            </div>
            <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
            </button>
            <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
            </button>
            <div class="pswp__caption">
                <div class="pswp__caption__center"></div>
            </div>
        </div>
    </div>
  </div>
{% endif %}

在/themes/next/layout/_scripts/pages/post-details.swig中

<script type="text/javascript" src="{{ url_for(theme.js) }}/src/photoswipe.min.js?v={{ theme.version }}"></script>
<script type="text/javascript" src="{{ url_for(theme.js) }}/src/photoswipe-ui-default.min.js?v={{ theme.version }}"></script>

主题配置文件中fancybox设置true,修改/themes/next/layout/_partials/head.swig 在

{% if theme.fancybox %}
  {% set fancybox_css_uri = url_for(theme.vendors._internal + '/fancybox/source/jquery.fancybox.css?v=2.1.5') %}
  {% if theme.vendors.fancybox_css %}
    {% set fancybox_css_uri = theme.vendors.fancybox_css %}
  {% endif %}
  <link href="{{ fancybox_css_uri }}" rel="stylesheet" type="text/css" />
{% endif %}

上方加入

{% if page.type === "photos"  %}
  {% set theme.fancybox = false %}
{% endif %}
{% if page.type !== "photos"  %}
  {% set theme.fancybox = true %}
{% endif %}

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上次更新: 2022/12/05, 09:12:57
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