Changes for page 01 Lua Functions
Last modified by Theodore Xu on 2023/10/26 10:51
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... ... @@ -1,1 +1,1 @@ 1 -V-BOX.V-Net. 1\.UserManual.04 Lua Script.WebHome1 +V-BOX.V-Net.Manual.04 Lua Script.WebHome - Author
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. Stone1 +XWiki.Hunter - Content
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... ... @@ -1,5 +1,17 @@ 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 + 3 3 == **Data type definition** == 4 4 5 5 |=**Type**|=**Description** ... ... @@ -140,7 +140,7 @@ 140 140 141 141 Table 2-1 142 142 143 -(% class="box errormessage" %)155 +(% class="box infomessage" %) 144 144 ((( 145 145 **✎Note: **If HLword enters any other value, it will be treated as invalid. 146 146 ))) ... ... @@ -608,11 +608,12 @@ 608 608 Attempting to use a script to open a serial port in an unsupported mode will result in an error directly, as below. 609 609 610 610 |((( 623 +{{code language="LUA"}} 611 611 local setup = { 612 612 613 613 name = "COM2", 614 614 615 -mode = 422, ~-~- COM2 does not support RS422628 +mode = 422, -- COM2 does not support RS422 616 616 617 617 ... 618 618 ... ... @@ -619,6 +619,7 @@ 619 619 } 620 620 621 621 serial.open(setup) 635 +{{/code}} 622 622 ))) 623 623 624 624 **Data bit:** ... ... @@ -1063,8 +1063,9 @@ 1063 1063 1064 1064 If there is no custom configuration, return an empty table, otherwise, return with "field name/field content" 1065 1065 1066 - E.g:1080 +**For example:** 1067 1067 1082 +{{code language="LUA"}} 1068 1068 { 1069 1069 1070 1070 [1]= {[1]=1234, [2]=1, [3]='temp', [4]='23.5', [5]={"fruit"="apple"}}, ... ... @@ -1077,7 +1077,8 @@ 1077 1077 1078 1078 } 1079 1079 1080 -Failed: //table// empty table 1095 +Failed: table empty table 1096 +{{/code}} 1081 1081 1082 1082 ((( 1083 1083 == **bns_get_config(string from)** == ... ... @@ -1157,13 +1157,15 @@ 1157 1157 1158 1158 Type (1: switch, 2: number, 3: string) 1159 1159 1160 -E.g: 1161 - { 1176 +**For example:** 1162 1162 1163 -[1]={~-~-The first communication port 1178 +{{code language="LUA"}} 1179 +{ 1164 1164 1165 -[1]={ ~-~-monitoring point array of the first communication port1181 +[1]={--The first communication port 1166 1166 1183 +[1]={--monitoring point array of the first communication port 1184 + 1167 1167 [1]={[1]=11,[2]='data1',[3]=3,[4]=2}, 1168 1168 1169 1169 [2]={[1]=12,[2]='data2',[3]=3,[4]=2}, ... ... @@ -1170,23 +1170,23 @@ 1170 1170 1171 1171 ... 1172 1172 1173 -[n]={[1]=xx,[2]='datan',[3]=x,[4]=x}, ~-~-n monitoring points1191 +[n]={[1]=xx,[2]='datan',[3]=x,[4]=x},--n monitoring points 1174 1174 1175 1175 }, 1176 1176 1177 -[2]=14, ~-~-ID1195 +[2]=14, --ID 1178 1178 1179 -[3]='Modbus TCP' ~-~-n monitoring points1197 +[3]='Modbus TCP' --n monitoring points 1180 1180 1181 1181 }, 1182 1182 1183 -[2]={ ~-~-The second communication port1201 +[2]={--The second communication port 1184 1184 1185 -[1]={}, ~-~-The monitoring point of the second communication port is not configured and is empty1203 +[1]={},--The monitoring point of the second communication port is not configured and is empty 1186 1186 1187 -[2]=15, ~-~-ID1205 +[2]=15, --ID 1188 1188 1189 -[3]='WECON' ~-~-communication protocol name1207 +[3]='WECON' --communication protocol name 1190 1190 1191 1191 }, 1192 1192 ... ... @@ -1193,6 +1193,7 @@ 1193 1193 ...n communication ports and so on 1194 1194 1195 1195 } 1214 +{{/code}} 1196 1196 1197 1197 Failed~:// table// empty table 1198 1198 ... ... @@ -1272,8 +1272,9 @@ 1272 1272 1273 1273 Succeed: //table// one-dimensional array 1274 1274 1275 - E.g:1294 +**For example:** 1276 1276 1296 +{{code language="LUA"}} 1277 1277 { 1278 1278 1279 1279 [1]="This is the oldest message", - the first is the oldest message ... ... @@ -1285,6 +1285,7 @@ 1285 1285 [n]="This is the latest message", - the last is the latest message 1286 1286 1287 1287 } 1308 +{{/code}} 1288 1288 1289 1289 Failede: nil 1290 1290 ... ... @@ -1302,7 +1302,7 @@ 1302 1302 1303 1303 == **https request** == 1304 1304 1305 - Example:1326 +**For example:** 1306 1306 1307 1307 {{code language="LUA"}} 1308 1308 local json = require("json") ... ... @@ -1358,7 +1358,7 @@ 1358 1358 1359 1359 **Access in bit mode, the prefix is @B_HDX, the number in front of "." indicates the number of the word, and the number behind is the bit number of the word.** 1360 1360 1361 -For example: @B_HDX1020.12, its meaning is to access the system data area in bit mode, the specific location is the 13th bit of the 1020th word. 1382 +**For example:** @B_HDX1020.12, its meaning is to access the system data area in bit mode, the specific location is the 13th bit of the 1020th word. 1362 1362 1363 1363 (% class="box infomessage" %) 1364 1364 ((( ... ... @@ -1370,7 +1370,6 @@ 1370 1370 ))) 1371 1371 1372 1372 1373 - 1374 1374 ((( 1375 1375 == **Data storage area(HDW/HDX)** == 1376 1376 ))) ... ... @@ -1381,7 +1381,7 @@ 1381 1381 1. Access in bit mode, the number range is: "@B_HDX0.0"-"@B_HDX299999.15". 1382 1382 1383 1383 ((( 1384 -== ** 8.2Special data area (HSW/HSX)** ==1404 +== **Special data area (HSW/HSX)** == 1385 1385 1386 1386 (% class="box infomessage" %) 1387 1387 ((( ... ... @@ -1499,19 +1499,40 @@ 1499 1499 ** addr_getstring("@W_HSW191",17) 1500 1500 * Obtaining ICCID (read only) 1501 1501 ** addr_getstring("@W_HSW225",15) 1522 +* ((( 1523 +TSAP settings of Siemens LOGO PLC* 1502 1502 1503 1503 ((( 1504 - = **9GeneralFunctions**=1526 +addr_setword("@W_0#HSW1200",8192) means set the Local TSAP as 20.00 1505 1505 ))) 1506 1506 1529 +* ((( 1530 +addr_setword("@W_0#HSW1201",4096) means set the Remote TSAP as 10.00 1531 +))) 1532 +))) 1533 + 1507 1507 ((( 1508 -== **9.1 send_sms_ira(string number, string message)** == 1535 +== **Power-down storage area (HAW/HAX)** == 1536 + 1537 +The system storage area (HAW) is used for the system power-down hold registers: 1538 + 1539 +1. Accessed as a word, numbered in the range: "@W_HAW0"-"@W_HAW199999". 1540 +1. Accessed by bit, the numbering range is: "@B_HAX0.0"-"@B_HAX199999.15". 1541 + 1542 +(% class="box infomessage" %) 1543 +((( 1544 +**✎Note:** HAW/HAX is a power-down hold, that is, the registers of this type can retain the data before power-down in case of power-down. 1509 1509 ))) 1510 1510 1511 -**Function:** 1547 += **9 General Functions** = 1548 +))) 1512 1512 1513 -Use IRA character set to send English text messages 1550 +((( 1551 +== **send_sms_ira(string number, string message)** == 1552 +))) 1514 1514 1554 +**Function:** Use IRA character set to send English text messages 1555 + 1515 1515 **Parameters:** 1516 1516 1517 1517 //number: //number (up to 32 characters, the excess will be discarded) ... ... @@ -1525,7 +1525,7 @@ 1525 1525 Failed: multi 1526 1526 1527 1527 ((( 1528 -== ** 9.2send_sms_ucs2(string number, string message)** ==1569 +== **send_sms_ucs2(string number, string message)** == 1529 1529 ))) 1530 1530 1531 1531 **Function:** ... ... @@ -1545,13 +1545,11 @@ 1545 1545 Failed: multi 1546 1546 1547 1547 ((( 1548 -== ** 9.3sms_get_state(number id)** ==1589 +== **sms_get_state(number id)** == 1549 1549 ))) 1550 1550 1551 -**Function:** 1592 +**Function:** Get the status of the SMS 1552 1552 1553 -Get the status of the SMS 1554 - 1555 1555 **parameter:** 1556 1556 1557 1557 //id~:// SMS corresponding id ... ... @@ -1563,13 +1563,11 @@ 1563 1563 Failed: multi 1564 1564 1565 1565 ((( 1566 -== ** 9.4jwt_encode(table head, table payload, string aud, number iat, number exp, string key, int jwttype)** ==1605 +== **jwt_encode(table head, table payload, string aud, number iat, number exp, string key, int jwttype)** == 1567 1567 ))) 1568 1568 1569 -**Function:** 1608 +**Function:** Convert data to JWT format 1570 1570 1571 -Convert data to JWT format 1572 - 1573 1573 **parameter:** 1574 1574 1575 1575 //aud: //project name ... ... @@ -1614,19 +1614,20 @@ 1614 1614 1615 1615 //key~:// the private key required for encryption 1616 1616 1617 -For example: 1654 +**For example:** 1618 1618 1656 +{{code language="LUA"}} 1619 1619 function jwt.main() 1620 1620 1621 -local PRIVATE_KEY = ~[~[~-~- Please enter the secret key~-~-]]1659 +local PRIVATE_KEY = [[-- Please enter the secret key--]] 1622 1622 1623 1623 local JWTType=0 1624 1624 1625 -local payload = ~{~{key="test1",value="test1",type="0"},1663 +local payload = {{key="test1",value="test1",type="0"}, 1626 1626 1627 1627 {key="test",value="123122131",type="1"}} 1628 1628 1629 -local head = ~{~{ key="name",value="data",type="0"},1667 +local head = {{ key="name",value="data",type="0"}, 1630 1630 1631 1631 {key="test2",value="test2",type="0"}} 1632 1632 ... ... @@ -1641,15 +1641,14 @@ 1641 1641 print(en) 1642 1642 1643 1643 End 1682 +{{/code}} 1644 1644 1645 1645 ((( 1646 -== ** 9.5convertohex(number type, number value)** ==1685 +== **convertohex(number type, number value)** == 1647 1647 ))) 1648 1648 1649 -**Function:** 1688 +**Function:** Convert data into hexadecimal data 1650 1650 1651 -Convert data into hexadecimal data 1652 - 1653 1653 **parameter:** 1654 1654 1655 1655 //type~:// incoming data type 0:word 1:dword 2:float ... ... @@ -1662,106 +1662,445 @@ 1662 1662 1663 1663 Failed: multi 1664 1664 1702 +== **crc.init(table prarm)** == 1703 + 1704 +**Function:** Initialize the CRC 1705 + 1706 +**Parameters:** 1707 + 1708 +prarm is a Lua table and needs to contain the following fields. 1709 + 1710 +* string prarm name, see table 9-1 for details of the parameter model name When this parameter is passed in, the default table parameters are used and the poly,init,xorout,refin,and refout passed in are invalid. 1711 +* number prarm.width: the width, i.e. the number of CRC bits. 1712 +* number [prarm.poly]: short for the generated item in hexadecimal. For example, CRC-32 is 0x04C11DB7, ignoring the highest bit "1", i.e., the complete generation item is 0x104C11DB7. 1713 +* number [prarm.init]: the initialization preset value of the register (crc) at the beginning of the algorithm in hexadecimal. 1714 +* number [prarm.xorout]: the final CRC value obtained after heterodyning the calculation result with this parameter. 1715 +* number [prarm.refin]: whether each byte of the data to be measured is inverted by bit, true or false. 1716 +* number [prarm.refout]: after the calculation or before the heterodyning output, whether the whole data is inverted by bit, true or false. 1717 + 1718 +**Return:** 1719 + 1720 +Success: crc object 1721 + 1722 +Failure: multi, error code 1723 + 1665 1665 ((( 1666 -== **9.6 set_network(table config)** == 1725 +|=Parameter model name|=poly|=init|=xorout|=refin|=refout 1726 +|crc8|0x07|0x00|0x00|false|false 1727 +|crc8_cdma2000|0x9B|0xFF|0x00|false|false 1728 +|crc8_darc|0x39|0x00|0x00|true|true 1729 +|crc8_dvb_s2|0xD5|0x00|0x00|false|false 1730 +|crc8_ebu|0x1D|0xFF|0x00|true|true 1731 +|crc8_i_code|0x1D|0xFD|0x00|false|false 1732 +|crc8_itu|0x07|0x00|0x55|false|false 1733 +|crc8_maxim|0x31|0x00|0x00|true|true 1734 +|crc8_rohc|0x07|0xFF|0x00|true|true 1735 +|crc8_wcdma|0x9B|0x00|0x00|true|true 1736 +|crc8_sae_j1850|0x1D|0xFF|0xFF|false|false 1737 +|crc8_opensafety|0x2F|0x00|0x00|false|false 1738 +|crc16_tms37157|0x1021|0x3791|0x0000|true|true 1739 +|crc16_a|0x1021|0x6363|0x0000|true|true 1740 +|crc16_riello|0x1021|0x554D|0x0000|true|true 1741 +|crc16_ccitt_false|0x1021|0xFFFF|0x0000|false|false 1742 +|crc16_arc|0x8005|0x0000|0x0000|true|true 1743 +|crc16_arc_ccitt|0x1021|0x1D0F|0x0000|false|false 1744 +|crc16_buypass|0x8005|0x0000|0x0000|false|false 1745 +|crc16_cdma2000|0xC867|0xFFFF|0x0000|false|false 1746 +|crc16_dds110|0x8005|0x800D|0x0000|false|false 1747 +|crc16_dect_r|0x0589|0x0000|0x0001|false|false 1748 +|crc16_dect_x|0x0589|0x0000|0x0000|false|false 1749 +|crc16_dnp|0x3D65|0x0000|0xFFFF|true|true 1750 +|crc16_en_13757|0x3D65|0x0000|0xFFFF|false|false 1751 +|crc16_genibus|0x1021|0xFFFF|0xFFFF|false|false 1752 +|crc16_maxim|0x8005|0x0000|0xFFFF|true|true 1753 +|crc16_mcrf4xx|0x1021|0xFFFF|0x0000|true|true 1754 +|crc16_t10_dif|0x8BB7|0x0000|0x0000|false|false 1755 +|crc16_teledisk|0xA097|0x0000|0x0000|false|false 1756 +|crc16_usb|0x8005|0xFFFF|0xFFFF|true|true 1757 +|crc16_kermit|0x1021|0x0000|0x0000|true|true 1758 + 1759 +(% class="wikigeneratedid" %) 1760 +Table 9-1 1761 + 1762 +== **crc:calc(string crcValue)** == 1763 + 1764 +**Function:** Calculate CRC result 1765 + 1766 +**Parameter:** 1767 + 1768 +crcValue: the value to be calculated 1769 + 1770 +**Return:** 1771 + 1772 +Succeed: calculated result 1773 + 1774 +Failed: multi, error code 1667 1667 ))) 1668 1668 1669 -**F unction:**1777 +**For example:** 1670 1670 1671 -Set V-BOX network, take effect after restart 1779 +{{code language="LUA"}} 1780 +function crcTest.main() 1672 1672 1673 - **parameter:**1782 +local param = { 1674 1674 1675 - //config~:// incoming networkconfigurationtable1784 +name = '', 1676 1676 1677 -1. connectMode: the way V-BOX connects to the server, 0: Ethernet, 1: WIFI, 2: 4G, 3: 2G, it is not allowed to be empty. 1678 -1. ethernetEnable: Whether to enable Ethernet, 1: enable, 0: disable, and it is not allowed to be empty. 1679 -1. ethernetLanIp: Set the LAN IP address. Only V-BOX with three network ports support this configuration, and other models of V-BOX do not support setting LAN IP. This item is allowed to be empty. 1680 -1. ethernetIpMode: Whether to enable Ethernet static IP, 1: Enable static IP, 0: DHCP, not allowed to be empty. 1681 -1. ethernetIp: The IP address needs to be configured when the Ethernet static IP is used, and it is not allowed to be empty. 1682 -1. ethernetNetmask: The subnet mask needs to be configured when Ethernet static IP is used, and it is not allowed to be empty. 1683 -1. ethernetGateway: The gateway can be configured when Ethernet static IP is used. 1786 +width = 64, 1684 1684 1685 -1. When using the Ethernet network, if the Gateway is empty, V-BOX will not connect to the server. 1686 -1. If you only use Ethernet to directly connect to the PLC for communication, you do not need to configure a gateway. 1788 +poly = 0x42F0E1EBA9EA3693, 1687 1687 1688 -1. ethernetFirstDns: You can configure the preferred DNS server when the Ethernet static IP is used, and it is allowed to be empty. If you use the Ethernet network and do not fill in the DNS server, V-BOX will not be connected to the server. 1689 -1. ethernetSpareDns: Alternate DNS server can be configured when the Ethernet static IP is used, and it is allowed to be empty. 1690 -1. wifiEnable: Whether to enable WIFI, 1: enable, 0: disable, it is not allowed to be empty. If it is a model that does not include WIFI, directly disable it. 1691 -1. wifiName: WIFI name, if WIFI is enabled, it is not allowed to be empty. 1692 -1. wifiPassword: WIFI password, it is allowed to be empty. 1693 -1. wifiIpMode: Whether to enable WIFI static IP, 1: Enable static IP, 0: DHCP, not allowed to be empty. 1694 -1. wifiIp: IP address needs to be configured when WIFI static IP is used, it is not allowed to be empty. 1695 -1. wifiNetmask: The subnet mask needs to be configured when WIFI static IP is used, and it is not allowed to be empty. 1696 -1. wifiGateway: The gateway can be configured when WIFI static IP is used, and it is not allowed to be empty. 1697 -1. wifiFirstDns: You can configure the preferred DNS server when the WIFI static IP is used, and it is allowed to be empty. If you use the WIFI network and do not fill in the DNS server, V-BOX will not be connected to the server. 1698 -1. wifiSpareDns: Alternate DNS server can be configured when the WIFI static IP is used, and it is allowed to be empty. 1699 -1. mobileEnable: Whether to enable the mobile network, 1: enable, 0: disable, it is not allowed to be empty, if it does not include 4G models, directly disable it. 1700 -1. mobileApnMode: Whether to manually configure the APN, 0: Use the default APN, 1: Manually configure the APN, it is not allowed to be empty. 1701 -1. apnName: APN name, if you choose to manually configure APN, it is not allowed to be empty. 1702 -1. apnPassword: APN username, it is allowed to be empty. 1703 -1. apnUserName: APN number, it is allowed to be empty. 1704 -1. apnNumber: APN number, it is allowed to be empty. 1790 +init = 0xFFFFFFFFFFFFFFFF, 1705 1705 1792 +xorout = 0xFFFFFFFFFFFFFFFF, 1793 + 1794 +refin = 1, 1795 + 1796 +refout = 1 1797 + 1798 +} 1799 + 1800 +crc64,err = crc.init(param) 1801 + 1802 +if not crc64 then 1803 + 1804 +print("Crc init failed:", err) 1805 +else 1806 + 1807 +crcvalue = crc64:calc("123456789") 1808 + 1809 +print(string.format("crc64 calc :0X%16X", crcvalue)) 1810 + 1811 +end 1812 + 1813 +end 1814 +{{/code}} 1815 + 1816 += **10 Special function for V-NET** = 1817 + 1818 +== **normal_get_alldata()** == 1819 + 1820 +**Function: **Obtain the data of all the monitoring points 1821 + 1822 +**Parameter: None** 1823 + 1706 1706 **Return:** 1707 1707 1708 -Succeed: t rue1826 +Succeed: table two-dimensional arrays, as follows: 1709 1709 1710 -Faied: multi 1828 +* Each item is a monitoring point and contains 4 attributes: 1829 +** 1: ID 1830 +** 2: status 1831 +** 3: tag name 1832 +** 4: value 1833 +* Status contains 3 enumerated values 1834 +** 0: offline 1835 +** 1: online 1836 +** 2: timeout 1837 +* Customization returns an empty table if there is no configuration, otherwise returns "field name/field content" 1711 1711 1712 -((( 1713 -== **9.7 remote_com_start(string config)** == 1714 -))) 1839 +**For example:** 1715 1715 1716 -**Function:** 1841 +{{code language="LUA"}} 1842 +{ 1717 1717 1718 - startserialportpass-through1844 +[1]= {[1]=1234, [2]=1, [3]='temp', [4]='23.5'}, 1719 1719 1846 +[2]= {[1]=1235, [2]=1, [3]='humi', [4]='67'}, 1847 + 1848 +... 1849 + 1850 +[n]= {[1]=xxxx, [2]=x, [3]='xxxx', [4]='xx.x'}, 1851 + 1852 +} 1853 + 1854 +Failed: table, empty table 1855 +{{/code}} 1856 + 1857 +== **normal_setdata_byname(string name, string data)** == 1858 + 1859 +**Function:** Write data to the monitoring point name 1860 + 1720 1720 **Parameter:** 1721 1721 1722 - //config: //incoming serialportparameterconfiguration,JSON format1863 +name: the name of monitoring point 1723 1723 1724 -1. type:0, serial port pass-through 1725 -1. port: serial port number marked on the V-BOX 1726 -1. comtype:0-RS232, 1-RS485, 2-RS422 1727 -1. baudrate: Baud Rate 1728 -1. data_length: Data Bits 1729 -1. stop_bit: Stop Bit 1730 -1. check_bit: Check Bit 1865 +data: the data to be written 1731 1731 1732 1732 **Return:** 1733 1733 1734 -Succeed: true 1869 +Succeed: string: The value of the monitor point before it is written 1735 1735 1736 -Failed: multi1871 +Failed: nil 1737 1737 1738 -((( 1739 -== **9.8 remote_com_stop()** == 1740 -))) 1873 +== **normal_getdata_byname(string name)** == 1741 1741 1742 -**Function:** 1875 +**Function:** Read the data of the monitoring point name 1743 1743 1744 - close serial port pass-through1877 +**Parameter:** 1745 1745 1879 +name: the name of monitoring point 1880 + 1746 1746 **Return:** 1747 1747 1748 -Succeed: tr ue1883 +Succeed: string 1749 1749 1885 +Failed: nil 1886 + 1887 += **11 MySQL database operation** = 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 + 1750 1750 Failed: multi 1751 1751 1752 -((( 1753 -== **9.9 remote_com_state()** == 1754 -))) 1913 +== **luaMySql.exec(string statement)** == 1755 1755 1756 -**Function:** 1915 +**Function:** Execute the given SQL statement without returning the result set (add, delete, change) 1757 1757 1758 - query the serial port pass-through status and pass-through server domain nameand port1917 +**Parameter:** 1759 1759 1919 +statement: the given SQL statement 1920 + 1760 1760 **Return:** 1761 1761 1762 -Succeed: 1923 +Succeed: status: returns the number of rows affected by SQL statement execution. 1763 1763 1764 -1. number, current pass-through status: 0-none 1,2-starting pass-through 3-penetrating 4,5-finishing pass-through 6-pass-through error 1765 -1. string, pass-through server domain name and port number, xxxx (domain name): xxx (port number) 1925 +Failed: nil, errorString 1766 1766 1767 -Failed: multi 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 +== **hmac(string hash_func, string key, string message)** == 2068 + 2069 +**Function:** HMAC calculate 2070 + 2071 +**Function name** 2072 + 2073 +hash_func: 2074 + 2075 +* [md5, sha1, sha224, sha256, sha384, sha512] 2076 +* [sha512_224, sha512_256, sha3_224, sha3_256] 2077 +* [sha3_384, sha3_512] 2078 + 2079 +**Parameter:** 2080 + 2081 +key: the key 2082 + 2083 +message: message content 2084 + 2085 +**Return:** 2086 + 2087 +Succeed: string, calculation result 2088 + 2089 +Failed: nil 2090 + 2091 +**For example:** 2092 + 2093 +{{code language="LUA"}} 2094 +local sha = require"sha2" 2095 + 2096 +function hmac_test.main() 2097 + 2098 +local hmac = sha.hmac 2099 + 2100 +print(hmac(sha.sha1, 2101 + 2102 +"your key", "your message")) 2103 + 2104 +end 2105 +{{/code}} 2106 + 2107 +== **sha(string message** == 2108 + 2109 +**Function:** SHA calculate 2110 + 2111 +**Function name:** 2112 + 2113 +sha: 2114 + 2115 +* sha1, sha224, sha256, sha384, sha512] 2116 +* [sha512_224, sha512_256, sha3_224, sha3_256] 2117 +* [sha3_384, sha3_512] 2118 + 2119 +**Parameter:** 2120 + 2121 +key: the key 2122 + 2123 +message: message content 2124 + 2125 +**Return:** 2126 + 2127 +Succeed: string, calculation result 2128 + 2129 +Failed: nil 2130 + 2131 +For example: 2132 + 2133 +{{code language="LUA"}} 2134 +local sha = require"sha2" 2135 + 2136 +function sha_test.main() 2137 + 2138 +local sha256 = sha.sha256 2139 + 2140 +print(sha256("your message")) 2141 + 2142 +end 2143 +{{/code}}