Talking about the escaped characters in JSONWhat are the benefits of doing so? When you call the jsonp interface or call a js file, the garbled characters caused by different File encodings should not be unfamiliar. If your file contains non-English
In fact, I always thought that JSON would escape all but ASCII displayable characters to Unicode,Until one time I used JSON. stringify only found that, in fact, is PHP for us to think too thoughtful.I used to be a phper, so it is very convenient to
Well, because it is pure small white, this problem may be a bit of food, the Great God forgive me ...
is to write PHP, need to echo special characters, such as "This symbol, when writing to PHP with escape \" Good or HTML code
"Well, what?
Ask you,
When working with MySQL and get, post data, it is often necessary to escape the quotation marks of the data. There are three settings in PHP that can be implemented automatically for ' (single quotes), "(double quotes), \ \ (backslash), and NULL
Special characters in the URL must be escaped.1. Replace space with the plus sign (+)2. The forward slash (/) is used to separate directories and subdirectories.3. Question mark (?) Separate URLs and queries4. Specify special characters for the
Since the Apache Velocity template engine has been used as the output of the view layer in the project, in order to solve the XSS vulnerability, HTML escapes the content of the output to the page, which I typically implement in 2 ways:
Use
"A project of Php+mysql"
There is a user, username is admin, password is admin.
The query statements are:
$sql="select * from table_project where a_username='{$username}' and a_password='{$password}';";
Then
In front-end development work, it is often necessary to escape the left and right angle brackets of HTML into solid form. We can't just show ,& and so on to the final page we see. It needs to be escaped before it can be displayed on a Web page. The
MyBatis configuration file, the SQL statement contains escape characters:Error statement:SELECT * from Table_base where Flag_topic & #{topic_num}Error message:caused by:org.xml.sax.SAXParseException; Linenumber:8; columnnumber:54; The entity name
XML cannot be parsed if it contains special characters, so it must be escaped.
Five characters to be escaped in XML:
& Symbol
> Yu ID
'Single quotes
"Double quotation marks
It is tested that single quotes and double quotes are correct even
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