{"id":51505,"date":"2026-08-04T20:20:56","date_gmt":"2026-08-04T12:20:56","guid":{"rendered":"https:\/\/www.modbus.cn\/51505.html"},"modified":"2026-08-04T20:20:56","modified_gmt":"2026-08-04T12:20:56","slug":"visualhmi-%e5%91%8a%e8%ad%a6%e5%8f%82%e6%95%b0%ef%bc%88lua%ef%bc%89%ef%bc%9aon_parse_warning-%e6%8b%bc%e6%8e%a5-p0p3-%e5%8a%a8%e6%80%81%e6%96%87%e6%9c%ac","status":"publish","type":"post","link":"http:\/\/www.modbus.cn\/en\/51505.html","title":{"rendered":"VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c"},"content":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u8bb2\u4e86\u5360\u4f4d\u7b26\u683c\u5f0f {#0:num1.num2} \u548c on_get_warning_param\u3002\u8fd9\u7bc7\u662f&#8221;Lua \u7248&#8221;\u2014\u2014\u4e0d\u7528\u5360\u4f4d\u7b26\uff0c\u76f4\u63a5\u5728 <code>on_parse_warning<\/code> \u91cc\u7528 p0~p3 \u53c2\u6570\u62fc\u5b57\u7b26\u4e32\uff0c\u7075\u6d3b\u5ea6\u66f4\u9ad8\u3002<\/p>\n<h2>1. on_parse_warning \u5e26\u53c2\u6570<\/h2>\n<pre style=\"background:#f5f5f5;padding:10px;border-radius:4px\">function 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<\/pre>\n<p>p0~p3 \u7684\u6765\u6e90\uff1a\u5de5\u7a0b\u542f\u7528\u544a\u8b66\u53c2\u6570\u540e\uff0c\u663e\u793a\u544a\u8b66\u65f6\u7cfb\u7edf\u5148\u8c03 <code>on_get_warning_param(warning_id)<\/code> \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<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.modbus.cn\/wp-content\/uploads\/2026\/08\/visualhmi\/lu009_1.png\" style=\"max-width:100%;border:1px solid #eee;margin:8px 0\" loading=\"lazy\" title=\"VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c\u63d2\u56fe\" alt=\"VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c\u63d2\u56fe\" \/><\/p>\n<h2>2. \u5b8c\u6574\u793a\u4f8b<\/h2>\n<pre style=\"background:#f5f5f5;padding:10px;border-radius:4px\">function 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<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.modbus.cn\/wp-content\/uploads\/2026\/08\/visualhmi\/lu009_2.png\" style=\"max-width:100%;border:1px solid #eee;margin:8px 0\" loading=\"lazy\" title=\"VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c\u63d2\u56fe1\" alt=\"VisualHMI \u544a\u8b66\u53c2\u6570\uff08Lua\uff09\uff1aon_parse_warning \u62fc\u63a5 p0~p3 \u52a8\u6001\u6587\u672c\u63d2\u56fe1\" \/><\/p>\n<div class=\"tip\" style=\"border-left:4px solid #f7941e;padding:10px 14px;background:#fff8ef;margin:14px 0\">p0~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<strong>1=GBK\uff08\u9ed8\u8ba4\u63a8\u8350\uff0c\u4e2d\u6587\u5c4f\uff09\uff0c0=UTF-8<\/strong>\u2014\u2014\u9009\u9519\u4e2d\u6587\u76f4\u63a5\u4e71\u7801\u3002<\/div>\n<p style=\"color:#888;font-size:13px\">\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<\/p>\n<span id=\"magicpostMarker\"><\/span>","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u8bb2\u4e86\u5360\u4f4d\u7b26\u683c\u5f0f {#0:num1.num2} \u548c on&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[3131,3126],"tags":[3339,3346,3134,3347,3342],"class_list":["post-51505","post","type-post","status-publish","format-standard","hentry","category-hmi-lua","category-hmi-dev","tag-on_parse_warning","tag-p0","tag-visualhmi","tag-3347","tag-3342"],"_links":{"self":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/51505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/comments?post=51505"}],"version-history":[{"count":0,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/posts\/51505\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/media?parent=51505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/categories?post=51505"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.modbus.cn\/en\/wp-json\/wp\/v2\/tags?post=51505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}