"# VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c\n\n> 2026-08-04 | 2026-08-04\n> http:\/\/www.modbus.cn\/en\/51505.html\n\n**LUA \u811a\u672c, \u4e32\u53e3\u5c4f\/HMI \u5f00\u53d1**\n\n---\n\n\u4e0a\u4e00\u7bc7\u8bb2\u4e86\u5360\u4f4d\u7b26\u683c\u5f0f {#0:num1.num2} \u548c on_get_warning_param\u3002\u8fd9\u7bc7\u662f\"Lua \u7248\"\u2014\u2014\u4e0d\u7528\u5360\u4f4d\u7b26\uff0c\u76f4\u63a5\u5728 `on_parse_warning` \u91cc\u7528 p0~p3 \u53c2\u6570\u62fc\u5b57\u7b26\u4e32\uff0c\u7075\u6d3b\u5ea6\u66f4\u9ad8\u3002\n\n## 1. on_parse_warning \u5e26\u53c2\u6570\n\n```\nfunction on_parse_warning(id, text, screen_id, control_id, p0, p1, p2, p3)\n  -- p0~p3 \u7531 on_get_warning_param \u8fd4\u56de, \u6309\u544a\u8b66ID\u5bf9\u5e94\n  if id == 0 then\n    return \"\u7535\u673a#1 \u6e29\u5ea6 \" .. string.format(\"%.1f\", p0) .. \"\u00b0C \u8d85\u8fc7\u9608\u503c 95\u00b0C!\", 1\n  elseif id == 1 then\n    return \"\u538b\u529b \" .. string.format(\"%.2f\", p1) .. \" MPa \u5f02\u5e38\", 1\n  end\nend\n```\n\np0~p3 \u7684\u6765\u6e90\uff1a\u5de5\u7a0b\u542f\u7528\u544a\u8b66\u53c2\u6570\u540e\uff0c\u663e\u793a\u544a\u8b66\u65f6\u7cfb\u7edf\u5148\u8c03 `on_get_warning_param(warning_id)` \u53d6\u53c2\u6570\uff0c\u518d\u8c03 on_parse_warning \u65f6\u628a\u53c2\u6570\u4f5c\u4e3a p0~p3 \u4f20\u5165\u3002\u4e24\u8005\u6309\u544a\u8b66 ID \u8054\u52a8\u3002\n\n![\u53c2\u6570\u8054\u52a8](https:\/\/www.modbus.cn\/wp-content\/uploads\/2026\/08\/visualhmi\/lu009_1.png)\n\n## 2. \u5b8c\u6574\u793a\u4f8b\n\n```\nfunction on_get_warning_param(warning_id)\n  if warning_id == 0 then\n    local temp = get_uint16(VT_4x, 0x1000) \/ 10   -- \u6e29\u5ea6, \u5bc4\u5b58\u5668\u5b5810\u500d\n    return temp, 0, 0, 0\n  elseif warning_id == 1 then\n    local press = get_uint16(VT_4x, 0x1001) \/ 100 -- \u538b\u529b, \u5bc4\u5b58\u5668\u5b58100\u500d\n    return press, 0, 0, 0\n  end\nend\n\nfunction on_parse_warning(id, text, screen_id, control_id, p0, p1, p2, p3)\n  if id == 0 then\n    return \"\u538b\u7f29\u673a\u6392\u6c14\u6e29\u5ea6 \" .. string.format(\"%.1f\", p0) .. \"\u00b0C \u8fc7\u9ad8\", 1\n  elseif id == 1 then\n    return \"\u7cfb\u7edf\u538b\u529b \" .. string.format(\"%.2f\", p1) .. \"MPa \u8d85\u9650\", 1\n  end\nend\n```\n\n![\u8fd0\u884c\u9884\u89c8](https:\/\/www.modbus.cn\/wp-content\/uploads\/2026\/08\/visualhmi\/lu009_2.png)\n\np0~p3 \u53ea\u5728\u5de5\u7a0b\u4e3a\u544a\u8b66\u542f\u7528\u4e86\u53c2\u6570\u529f\u80fd\u65f6\u6709\u6548\u3002\u8fd4\u56de\u503c\u7f16\u7801\u53c2\u6570\uff1a**1=GBK\uff08\u9ed8\u8ba4\u63a8\u8350\uff0c\u4e2d\u6587\u5c4f\uff09\uff0c0=UTF-8**\u2014\u2014\u9009\u9519\u4e2d\u6587\u76f4\u63a5\u4e71\u7801\u3002\n\n\u6574\u7406\u81ea \u5e7f\u5dde\u5927\u5f69\u79d1\u6280 VisualHMI \u5f00\u53d1\u6587\u6863\uff08hmi-doc.gz-dc.com\uff09LUA \u6559\u7a0b\u300c\u544a\u8b66\u53c2\u6570\uff08Lua\uff09\u300d\uff0c\u7248\u6743\u5f52\u5927\u5f69\u79d1\u6280\u6240\u6709\u3002\n\n---\n*modbus.cn*\n"