"# \u5982\u4f55\u663e\u793a\u6587\u672c\uff1f\uff08\u89e6\u63a7\u5c4fLUA\u811a\u672c\u6559\u7a0b1\uff09\n\n> 2022-03-26 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/7376.html\n\n**LUA \u811a\u672c\u6587\u6863, \u89e6\u63a7\u5c4f\u5f00\u53d1\u6587\u6863**\n\n---\n\n\u5982\u4e0a\u7ae0\u8282\uff0c\u6211\u4eec\u4e86\u89e3\u4e86LUA API\u6587\u6863\u4ee5\u53ca\u57fa\u672c\u7684LUA\u8bed\u6cd5\uff0c\u672c\u7ae0\u8282\u6211\u4eec\u5728\u6587\u672c\u63a7\u4ef6\u4e0a\u663e\u793a\u4e00\u53e5\u2019HELLO LUA\u2019\n\n\u672c\u6559\u7a0b\u6587\u6863\u4e2d\u6240\u6d89\u53ca\u5230\u7684\u90e8\u5206\u7684\u76f8\u5173\u63a5\u53e3\u51fd\u6570\n\n- \u8bbe\u7f6e\u6587\u672c\u663e\u793a\u5b57\u7b26\u4e32\u5185\u5bb9\uff1aset_text\uff08screen\uff0ccontrol\uff0ctext\uff09\n\n- \u7528\u6237\u901a\u8fc7\u89e6\u63a7\u4fee\u6539\u63a7\u4ef6\u56de\u8c03\u51fd\u6570\uff1aon_control_notify(screen,control,value)\n\n\u9002\u7528\u8303\u56f4\uff1aM\u7cfb\u5217\u3001W\u7cfb\u5217\u3001X\u7cfb\u5217\u3001F\u7cfb\u5217\uff08\u56fa\u4ef6\u7248\u672c >= V4.2.401.0\uff09\n\n\u4f8b\u7a0b\u4e0b\u8f7d\u94fe\u63a5\uff1a\u300a\u663e\u793aHELLO LUA\u300b(\u70b9\u51fb\u8df3\u8f6c)\n\n## 1.1 LUA\u7f16\u8f91\u5668\n\n#### 1.1.1 VisualTFT\u81ea\u5e26\n\n\u6211\u4eec\u7684VisualTFT\u96c6\u6210\u4e00\u4e2alua\u7f16\u8f91\u5668\uff08\u800c\u975e\u7f16\u8bd1\u5668\uff09\uff0c\u5728\u3010\u5de5\u5177\u3011- \u201cLUA \u811a\u672c\u7f16\u7a0b\u2026\u201d\u6253\u5f00\u5373\u53ef\uff0c\u5982\u4e0b\u6240\u793a\n\n\u6ce8\u610f\uff1a\u8be5\u3010\u5de5\u5177\u3011- \u201cLUA \u811a\u672c\u7f16\u7a0b\u2026\u201d\u4ec5\u4ec5\u662f\u7f16\u8f91\u5668\uff0c\u800c\u975e\u7f16\u8bd1\u5668\uff0c\u4e0d\u652f\u6301\u8bbe\u7f6e\u65ad\u70b9Debug\u8c03\u8bd5\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/lua-editor.gif)\n\n\u5982\u679c\u811a\u672c\u6709\u8bed\u6cd5\u9519\u8bef\uff0c\u6216\u6839\u636e\u7279\u5b9a\u903b\u8f91\u64cd\u4f5c\u540e\u53ef\u80fd\u51fa\u73b0\u9519\u8bef\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u865a\u62df\u5c4f\u67e5\u770b\uff0c\u5982\u4e0b\u6240\u793a\u3002\u63d0\u793a\u62a5\u9519\u4fe1\u606f\uff0c \u5e0c\u671b\u51fd\u6570\u6709\u4e2a\u7ed3\u675f\u7b26\u53f7\u2018end\u2019\u3002\u7528\u6237\u6839\u636e\u4e0a\u4e0b\u6587\u4ee5\u53ca\u5185\u5bb9\u63d0\u793a\u8fdb\u884c\u6392\u67e5\u95ee\u9898\u5373\u53ef\n\n```\nerror [string \"------------...\"]:37: 'end' expected (to close 'function' at line 19) near  eof\n\n```\n\n![hellolua01](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/hellolua01.png)\n\n#### 1.1.2 \u7b2c\u4e09\u65b9\u7f16\u8f91\u5668\n\n\u6211\u4eec\u63a8\u8350\u4f7f\u7528LuaEditor(v6.30)\u6765\u7f16\u8f91\uff0c\u53ea\u8981\u5728\u5de5\u7a0b\u76ee\u5f55\u4e0b\u6253\u5f00lua\u6587\u4ef6\u5373\u53ef\uff0c\u7f16\u8f91\u5b8c\u540e\uff0c\u70b9\u51fb\u4fdd\u5b58\u3002\u540c\u65f6\u652f\u6301\u7b80\u5355\u7684\u8bed\u6cd5\u68c0\u6d4b\uff0c\u5982\u4e0b\u6240\u793a\uff0c\u4f46\u662f\u5177\u4f53\u7684\u903b\u8f91\u9519\u8bef\uff0c\u8fd8\u662f\u9700\u8981\u865a\u62df\u5c4f\u6765\u8c03\u8bd5\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/luaeditorV6.3.gif)\n\n## 1.2 \u663e\u793a\u201cHELLO LUA\u201d\n\n#### \u753b\u9762\u914d\u7f6e\n\n\u5728 \u753b\u9762\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6309\u94ae\u63a7\u4ef6\uff08ID1\uff09\u3001\u4e00\u4e2a\u6587\u672c\u63a7\u4ef6\uff08ID2\uff09\uff0c\u5f53\u7528\u6237\u6309\u4e0b\u6309\u94ae\u65f6\uff0c\u663e\u793a\u201cHELLO LUA\u201d\u5728\u6587\u672c\u63a7\u4ef6\u4e0a\uff0c\u753b\u9762\u914d\u7f6e\u5982\u4e0b\u6240\u793a\n\n![hellolua02](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/hellolua02.png)\n\n#### LUA\u811a\u672c\n\n\u6309\u4e0b\u6309\u94ae\u540e\uff0c\u89e6\u53d1on_control_notify(screen,control,value)\u51fd\u6570\uff0c\u5224\u65ad\u5bf9\u5e94\u753b\u9762ID\u3001\u5bf9\u5e94\u7684\u63a7\u4ef6ID\u3001\u63a7\u4ef6\u503c\uff0c\u6ee1\u8db3\u6761\u4ef6\u6267\u884cset_text(screen,control,text)\u51fd\u6570\uff0c\u5728\u6587\u672c\u6846\u4e2d\u663e\u793a\u201cHELLO LUA\u201d\n\n```\n--[[***************************************************************************\n** Function name: on_control_notify\n** Descriptions : \u7528\u6237\u901a\u8fc7\u89e6\u6478\u4fee\u6539\u63a7\u4ef6\u540e\uff0c\u6267\u884c\u6b64\u56de\u8c03\u51fd\u6570\u3002\n                  \u70b9\u51fb\u6309\u94ae\u63a7\u4ef6\uff0c\u4fee\u6539\u6587\u672c\u63a7\u4ef6\u3001\u4fee\u6539\u6ed1\u52a8\u6761\u90fd\u4f1a\u89e6\u53d1\u6b64\u4e8b\u4ef6\u3002\n                  \u6ce8\u610f\uff1a\u56de\u8c03\u51fd\u6570\u7684\u53c2\u6570\u548c\u51fd\u6570\u540d\u56fa\u5b9a\u4e0d\u80fd\u4fee\u6539\n** Input value :  screen  \u753b\u9762ID\n                  control \u63a7\u4ef6ID\n                  value   \u63a7\u4ef6\u503c(\u5305\u62ec\u6587\u672c\u63a7\u4ef6\u8f93\u5165\u7684\u503c)\n***************************************************************************--]]\nfunction on_control_notify(screen,control,value)\n    if screen == 0 and control == 1 and value == 1 \n    then\n        set_text(0,2,\"HELLO LUA\")\n    end\nend\n```\n\n#### \u8fd0\u884c\u9884\u89c8\n\n\u70b9\u51fb\u8bbe\u7f6e\uff0c\u6587\u672c\u663e\u793a\u201cHELLO LUA\u201d\uff0c\u8fd0\u884c\u6548\u679c\u5982\u4e0b\u6240\u793a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/03\/Hello-word.gif)\n\n---\n*modbus.cn*\n"