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Changes for page 01 Lua Functions

Last modified by Theodore Xu on 2023/10/26 10:51
From version 12.1
edited by Hunter
on 2023/02/18 15:29
Change comment: There is no comment for this version
To version 20.1
edited by Theodore Xu
on 2023/08/25 09:49
Change comment: There is no comment for this version

Summary

Details

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Author
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1 -XWiki.Hunter
1 +XWiki.AiXia
Content
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1 1  = **1 Interface description** =
2 2  
3 -(% style="width:749.222px" %)
4 -|=(% scope="row" style="width: 374px;" %)z|=(% style="width: 373px;" %)cxz
5 -|=(% style="width: 374px;" %) |(% style="width:373px" %)
6 -|=(% style="width: 374px;" %) |(% style="width:373px" %)
7 -
8 -|分类|宽|高
9 -|网页全屏|700-850|400
10 -|手机全屏|300|400
11 -|其他大图片|400左右|400左右
12 -|小图片|200左右|200左右
13 -
14 -
15 15  == **Data type definition** ==
16 16  
17 17  |=**Type**|=**Description**
... ... @@ -1884,186 +1884,8 @@
1884 1884  
1885 1885  Failed: nil
1886 1886  
1887 -= **11 MySQL database operation** =
1875 += **11 Message summary algorithm** =
1888 1888  
1889 -== **luaMySql.init(string sourcename, string username, string password, string host, number port, string character)** ==
1890 -
1891 -**Function:** Configure database connection parameters
1892 -
1893 -**Parameter:**
1894 -
1895 -sourcename: the name of database
1896 -
1897 -username: the username of the connection
1898 -
1899 -password: the password of the connection
1900 -
1901 -host: the host name of the connection
1902 -
1903 -port: the host port of the connection
1904 -
1905 -character: the character set of the connection
1906 -
1907 -**Return:**
1908 -
1909 -Succeed: string
1910 -
1911 -Failed: multi
1912 -
1913 -== **luaMySql.exec(string statement)** ==
1914 -
1915 -**Function:** Execute the given SQL statement without returning the result set (add, delete, change)
1916 -
1917 -**Parameter:**
1918 -
1919 -statement: the given SQL statement
1920 -
1921 -**Return:**
1922 -
1923 -Succeed: status: returns the number of rows affected by SQL statement execution.
1924 -
1925 -Failed: nil, errorString
1926 -
1927 -== **luaMySql.execWithResult(string statement)** ==
1928 -
1929 -**Function:** Execute the given SQL statement returning the result set (check)
1930 -
1931 -**Parameter:**
1932 -
1933 -statement: the given SQL statement
1934 -
1935 -**Return:**
1936 -
1937 -Succeed: table: returns the result set
1938 -
1939 -Failed: nil, errorString
1940 -
1941 -**For example:**
1942 -
1943 -{{code language="LUA"}}
1944 -mysql = require"mysqlclient"
1945 -
1946 -function DataInitRight()
1947 -
1948 -local dbName = "db_lua1"
1949 -
1950 -local user = "root"
1951 -
1952 -local pwd = "123456"
1953 -
1954 -local host = "192.168.56.186"
1955 -
1956 -local port = 3306
1957 -local character = "UTF8"
1958 -
1959 -mysql.init(dbName, user, pwd, host, port, character)
1960 -
1961 -end
1962 -
1963 -function ExecFunc()
1964 -
1965 -status, errorString = mysql.exec("delete from tb_lua1 where mykey =
1966 -
1967 -10;")
1968 -
1969 -if nil == status then
1970 -
1971 -print("ExecFunc() error:", errorString)
1972 -
1973 -return -1
1974 -
1975 -else
1976 -
1977 -print("the number of rows affected by the command:", status)
1978 -
1979 -end
1980 -
1981 -return 0
1982 -
1983 -end
1984 -
1985 -function ExecWithResultFunc()
1986 -
1987 -status, errorString = mysql.execWithResult("select * from tb_lua1;")
1988 -
1989 -if nil == status then
1990 -
1991 -print("ExecWithResultFunc() error:", errorString)
1992 -
1993 -return -1
1994 -
1995 -else
1996 -
1997 -print("ExecWithResultFunc()
1998 -
1999 -success
2000 -
2001 -: status
2002 -
2003 -type
2004 -
2005 -=
2006 -
2007 -",
2008 -
2009 -type(status))
2010 -
2011 -print("ExecWithResultFunc() success : status len = ", #status)
2012 -
2013 -local num = #status
2014 -
2015 -local i = 1
2016 -
2017 -if num > 0 then
2018 -
2019 -for i = 1, num, 1 do
2020 -
2021 -local var = string.format("select result[%d] :mykey = %d,
2022 -
2023 -value = %s", i, status[i].mykey, status[i].value)
2024 -
2025 -print(var)
2026 -
2027 -end
2028 -
2029 -end
2030 -
2031 -print("---------------")
2032 -
2033 -end
2034 -
2035 -return 0
2036 -end
2037 -
2038 -function luaMysql_apiTest.main()
2039 -
2040 -print("script running ...")
2041 -
2042 -DataInitRight()
2043 -
2044 ---use exec demo
2045 -
2046 -if ExecFunc() < 0 then
2047 -
2048 -return
2049 -
2050 -end
2051 -
2052 ---use execWithResult demo
2053 -
2054 -if ExecWithResultFunc() < 0 then
2055 -
2056 -return
2057 -
2058 -end
2059 -
2060 -print("script running success")
2061 -
2062 -end
2063 -{{/code}}
2064 -
2065 -= **12 Message summary algorithm** =
2066 -
2067 2067  == **hmac(string hash_func, string key, string message)** ==
2068 2068  
2069 2069  **Function:** HMAC calculate