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该文章收录专栏 ✨—【Django | 项目开发】从入门到上线 专栏—✨


这个翻译不是浏览器翻译的,Django也不会帮你翻译。这个需要你自己事先手动翻译好,存放在专门翻译文件中,Django只是事后调用而已。
将需要翻译的字符串统一使用gettext_lazy或gettext包裹
from django.utils.translation import gettext_lazy as _
class Candidate(models.Model):
# * 基础信息 (对于整形数值一定要定义null=true,因为如果没有赋值,数据库会声明不能为null
user_id = models.IntegerField(verbose_name=_('应聘者ID'), blank=True, null=True)
username = models.CharField(max_length=135, verbose_name=_('姓名'))
city = models.CharField(max_length=135, verbose_name=_('城市'), blank=True)
phone = models.CharField(max_length=135, verbose_name=_('手机号码'))
email = models.EmailField(max_length=135, verbose_name=_('邮箱'), blank=True)
gender = models.CharField(max_length=135, verbose_name=_('性别'), blank=True)
apply_position = models.CharField(max_length=135, verbose_name=_('应聘职位'), blank=True)
born_address = models.CharField(max_length=135, verbose_name=_('生源地'), blank=True)
candidate_remark = models.CharField(max_length=135, blank=True, verbose_name=_('候选人信息备注'))导入i18n,为需要翻译的代码添加代码{% translate %} 或者{% blocktranslate %}(用于存在变量翻译)
{% load i18n %}
<div class="">
<h6 class="uppercase font-semibold mb-4 flex justify-center md:justify-start">
{% translate "Useful links" %}
</h6>
<p class="mb-4">
<a href="#!" class="text-gray-600">{% translate "Pricing" %}</a>
</p>
<p class="mb-4">
<a href="#!" class="text-gray-600">{% translate "Settings" %}</a>
</p>
<p class="mb-4">
<a href="#!" class="text-gray-600">{% translate "Orders" %}</a>
</p>
<p>
<a href="#!" class="text-gray-600">{% translate "Help" %}</a>
-----------------------------------------------------------------------------------------------
<-- 块翻译 -->
{% blocktranslate with job_name=job.job_name job_city=job.job_place %}
<h2>岗位名称:{{ job_name }}</h2>
<div>
</div>
<div>
城市: {{ job_city }}
</div>
{% endblock %}如果在翻译中存在二级变量或者三级变量在渲染时需要提前保存
# 默认语言
LANGUAGE_CODE = 'zh-hans'
from django.utils.translation import gettext_lazy as _
LANGUAGES = [
('en', _('English')),
('zh-hans', _('Simplified Chinese')),
]
# 用于存放django.po和django.mo编译过的翻译文件
PROJECT_ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__name__)))
LOCALE_PATHS = (
os.path.join(PROJECT_ROOT, 'locale'),
)locale目录,用于保存翻译消息文件(.po和.mo格式的)( 大坑插入: 由于在
gettext版本低于0.15, 报错:Make sure you have GNU gettext tools 0.15 or newer installed.,我花了一整天时间处理😑,由于支持window系统以及配置网上的方法都比较旧,最后还是stackoverflow香😎,直接在网址https://mlocati.github.io/articles/gettext-iconv-windows.html下载static 64文件,将其bin文件配置到系统环境变量即可!!
django-admin makemessages -l zh_Hans -l en
msgid (message id)是键,msstr(message str)是值。en 文件( 这里的
en是之前所设置的名字,需要与setting中语言配置元组中第一个数据一样,此时我们需要都将中文翻译成英文,注意!!不进行翻译会默认使用其他语言!,例如在中文对广州市翻译中翻译成了英文!)


msgid "工作经验"
msgstr "work-experience"
#: .\jobs\models.py:65
msgid "项目经历"
msgstr "product-experience"
#: .\jobs\models.py:75 .\jobs\models.py:76
msgid "简历"
msgstr "resume"
#: .\jobs\views.py:60
msgid "job does not exist"
msgstr "工作不存在"
#: .\recruitment\urls.py:34
msgid "霍格沃兹学院"
msgstr "Hogwarts"
#: .\recruitment\urls.py:36 .\templates\base.html:9
msgid "霍格沃兹招聘信息网"
msgstr "Hogwarts job list"msgstr "忘记密码?"
#: .\templates\account\login.html:71
msgid "Log In"
msgstr "登 录"
#: .\templates\account\login.html:75
msgid "Don't have an account?"
msgstr "还没有账户?"
#: .\templates\account\login.html:75
msgid "Register here."
msgstr "点击注册"
#: .\templates\account\logout.html:9 .\templates\account\logout.html:12
#: .\templates\account\logout.html:21
msgid "Sign Out"
msgstr "注销"
#: .\templates\account\logout.html:14
msgid "Are you sure you want to sign out?"
msgstr "你确定要注销吗"django-admin compliemessages
path('i18n/', include('django.conf.urls.i18n')),settings添加国家化的配置# 默认语言
LANGUAGE_CODE = 'en-us'
# 设置I18n和L10N为True
USE_I18N = True
USE_L10N = True
from django.utils.translation import gettext_lazy as _
LANGUAGES = [
# 第一个是对应语言,第二个是字符串表达
('en', _('English')),
('zh-hans', _('Simplified Chinese')),
]
# 用于存放django.po和django.mo编译过的翻译文件
LOCALE_PATHS = (
os.path.join(BASE_DIR, 'locale'),
)可以看到中文都翻译成了自己翻译的英文

LocaleMiddleware这个中间件。它的位置也很重要,应于SessionMiddleware之后,CommonMiddleware之前。(通用中间件前,改中间件主要用于一些简单处理)
MIDDLEWARE = [
'interview.performance.performance_logger_middleware',
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware', # 新增多语支持
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]添加下拉框选择语言,在
base.html根模板下修改如下
{# set language #}
<form method="POST" action="{% url "set_language" %}">
{% csrf_token %}
<input type="hidden" name="next" value="{{ redirect_to }}"/>
<select name="language">
{# 得到当前语言#}
{% get_current_language as LANGUAGE_CODE %}
{# 可用语言就是setting文件配置的元组 #}
{% get_available_languages as LANGUAGES %}
{# 获取可用语言详细信息字典#}
{% get_language_info_list for LANGUAGES as languages %}
{% for language in languages %} {# 复选框默认为当前语言 #}
<option value="{{ language.code }}" {% if language.code == LANGUAGE_CODE %} selected {% endif %}>
{{ language.name_local }} {{ language.code }}
</option>
{% endfor %}
</select>
{% trans "The current language:" %} {{ LANGUAGE_CODE }}
<button type="submit">{% trans "Switch" %}</button>
</form>django文档一样
tailwind){# set language #}
<div class="fixed bottom-0 right-0 mb-3 xl:w-96">
<form method="POST" action="{% url "set_language" %}" class="my-2 p-1 flex rounded svelte-1l8159u">
{% csrf_token %}
<input type="hidden" name="next" value="{{ redirect_to }}"/>
<select name="language" class="form-select form-select-sm
appearance-none
block
w-full
px-2
py-1
text-sm
font-normal
text-gray-700
bg-white bg-clip-padding bg-no-repeat
border border-solid border-gray-300
rounded
transition
ease-in-out
m-0
focus:text-gray-700 focus:bg-blue focus:border-blue-600 focus:outline-none">
{# 得到当前语言#}
{% get_current_language as LANGUAGE_CODE %}
{# 可用语言就是setting文件配置的元组 #}
{% get_available_languages as LANGUAGES %}
{# 获取可用语言详细信息字典#}
{% get_language_info_list for LANGUAGES as languages %}
{% for language in languages %} {# 复选框默认为当前语言 #}
<option value="{{ language.code }}" {% if language.code == LANGUAGE_CODE %} selected {% endif %}>
{% trans "The current language:" %} {{ language.name_local }} {{ language.code }}
</option>
{% endfor %}
</select>
<button type="submit" class="inline-block px-4 py-1.5 bg-blue-600 text-white font-medium text-xs leading-tight uppercase rounded shadow-md hover:bg-blue-700 hover:shadow-lg focus:bg-blue-700 focus:shadow-lg focus:outline-none focus:ring-0 active:bg-blue-800 active:shadow-lg transition duration-150 ease-in-out">{% trans "Switch" %}</button>
</form>
</div>
其实
django官方文档的国家化项目中也是这么干的

这里需要添加路由url i18n_patterns
from django.contrib import admin
from django.urls import path, include
from django.conf.urls.i18n import i18n_patterns
urlpatterns = [
path('i18n/', include('django.conf.urls.i18n')),
]
urlpatterns += i18n_patterns(
path('admin/', admin.site.urls),
path('', include('myapp.urls')),
)这样在不同路径下,就会切换语言,但是目前是需要全部项目的路由都要修改,不知道如何配置才不需要😂(参考文章: 大江狗 | 刘江的博客)
django查询语言是先从
url找,然后再从cookie里面找,再从浏览器header里面找,如果都没有的话则使用系统默认语言LANGUAGE_CODE
在切换语言from表单中,我们所提交的表单路径
set_language是我们所导入i18n url路径所提供的,提交的language.code能够对应到我们所设置的语言就能切换语言。
