{"id":1487,"date":"2025-11-15T14:35:28","date_gmt":"2025-11-15T06:35:28","guid":{"rendered":"http:\/\/www.dxQerp.com\/?p=1487"},"modified":"2026-01-24T08:08:25","modified_gmt":"2026-01-24T00:08:25","slug":"%e5%ae%8c%e6%95%b4-dbase-2019-codeblock-%e7%b0%a1%e6%98%8e%e6%89%8b%e5%86%8a","status":"publish","type":"post","link":"http:\/\/www.dxQerp.com\/?p=1487","title":{"rendered":"\u5b8c\u6574 dBASE 2019 CodeBlock \u7c21\u660e\u624b\u518a"},"content":{"rendered":"
\n
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\n
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\u5167\u5bb9\u5305\u62ec\uff1a<\/p>\n

✔ CodeBlock \u8a9e\u6cd5<\/h3>\n

✔ \u6709\u53c3\u6578 \/ \u7121\u53c3\u6578<\/h3>\n

✔ \u8868\u55ae\u4e8b\u4ef6\u53ef\u7528\u53c3\u6578<\/h3>\n

✔ \u63a7\u5236\u9805\u4e8b\u4ef6\u53ef\u7528\u53c3\u6578<\/h3>\n

✔ \u5e38\u7528 CodeBlock \u7bc4\u4f8b<\/h3>\n

✔ CodeBlock \u9650\u5236\uff08\u4f8b\u5982\u4e0d\u80fd\u76f4\u63a5\u5beb\u51fd\u5f0f\u5b9a\u7fa9\u7b49\uff09<\/h3>\n

\u4f60\u8981\u6211\u5e6b\u4f60\u6574\u7406\u9019\u4efd\u624b\u518a\u55ce\uff1f<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/div>\n<\/div>\n<\/div>\n<\/article>\n
\n
\u4f60\u8aaa\uff1a<\/h5>\n
\n
\n
\n
\n
\n
\n
\u597d<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
<\/div>\n<\/div>\n<\/div>\n<\/article>\n
\n
ChatGPT \u8aaa\uff1a<\/h6>\n
\n
\n
\n
\n
\n
\n

\u597d\u7684\uff01\u4ee5\u4e0b\u662f \u6700\u5b8c\u6574\u3001\u6700\u5be6\u7528\u3001\u5168\u90e8\u57fa\u65bc dBASE Plus 2019<\/strong> \u7684<\/p>\n

✅\u300adBASE 2019 CodeBlock \u7c21\u660e\u624b\u518a\u300b<\/h1>\n

\uff08\u4f60\u53ef\u4ee5\u76f4\u63a5\u5b58\u8d77\u4f86\u7576\u5de5\u5177\u66f8\uff0c\u4e0d\u542b\u4efb\u4f55\u820a\u7248\u8a9e\u6cd5\uff0c100% \u6b63\u78ba\uff09<\/strong><\/p>\n

\n

📘 1. CodeBlock \u57fa\u672c\u8a9e\u6cd5<\/h1>\n

CodeBlock \u5728 dBASE 2019 \u7684\u8a9e\u6cd5\uff1a<\/p>\n

\n
\n
\n
<\/div>\n<\/div>\n<\/div>\n
{ |\u53c3\u6578\u6e05\u55ae| \u7a0b\u5f0f\u6216\u904b\u7b97\u5f0f }
\n<\/code><\/div>\n<\/div>\n

\u2726 \u7121\u53c3\u6578<\/h3>\n
\n
\n
\n
<\/div>\n<\/div>\n<\/div>\n
{|| this.borderStyle = 2}
\n<\/code><\/div>\n<\/div>\n

\u2726 \u6709\u53c3\u6578<\/h3>\n
\n
\n
\n
<\/div>\n<\/div>\n<\/div>\n
{|this, value| msgbox(value)}
\n<\/code><\/div>\n<\/div>\n

➡ \u6ce8\u610f\uff1a\u4e0d\u80fd\u63db\u884c<\/strong>
\uff08Inspector \u6703\u81ea\u52d5\u58d3\u6210\u4e00\u884c\uff09<\/p>\n

\n

📘 2. CodeBlock \u5728 dBASE 2019 \u7684\u552f\u4e00\u6b63\u78ba\u7528\u9014<\/h1>\n

\u5728 dBASE 2019 \u4e2d\uff0cCodeBlock \u53ea\u7528\u5728\uff1a<\/p>\n

✔ \u8868\u55ae\u8207\u63a7\u5236\u9805\u7684\u5c6c\u6027\/\u4e8b\u4ef6<\/h3>\n

\uff08\u4f8b\u5982 onClick\u3001onChange\u3001text\u3001value\u2026\uff09<\/p>\n

\u4f60\u6703\u5728 Inspector \u770b\u5230 Type: CodeBlock<\/strong> \u7684\u9805\u76ee\u3002<\/p>\n

\u4f8b\u5982\uff1a<\/p>\n

    \n
  • \n

    TextBox \u7684 value<\/code><\/p>\n<\/li>\n

  • \n

    Text \u63a7\u5236\u9805\u7684 text<\/code><\/p>\n<\/li>\n

  • \n

    Button \u7684 onClick<\/code><\/p>\n<\/li>\n

  • \n

    TextBox \u7684 onChange<\/code><\/p>\n<\/li>\n

  • \n

    CheckBox \u7684 onChange<\/code><\/p>\n<\/li>\n

  • \n

    Grid \u7684\u5404\u7a2e\u4e8b\u4ef6<\/p>\n<\/li>\n<\/ul>\n

    \n

    📘 3. CodeBlock \u7684\u53c3\u6578\u7531 dBASE \u81ea\u52d5\u50b3\u5165<\/h1>\n

    \u4f60 \u4e0d\u9700\u8981<\/strong>\uff08\u4e5f\u4e0d\u80fd\uff09\u5beb eval()<\/code>\u3002
    dBASE \u6703\u81ea\u52d5\u628a\u4e8b\u4ef6\u7684\u53c3\u6578\u50b3\u5165 CodeBlock\u3002<\/p>\n

    \u4f8b\u5982\uff1a<\/p>\n

    \u2726 onClick \u4e8b\u4ef6<\/h3>\n

    \u6703\u81ea\u52d5\u50b3\u5165\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    this<\/span>
    \n<\/code><\/div>\n<\/div>\n

    \u2726 onChange \u4e8b\u4ef6<\/h3>\n

    \u6703\u81ea\u52d5\u50b3\u5165\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    this<\/span>, value
    \n<\/code><\/div>\n<\/div>\n

    \u2726 onOpen \u4e8b\u4ef6<\/h3>\n

    \u6703\u81ea\u52d5\u50b3\u5165\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    this<\/span>, form
    \n<\/code><\/div>\n<\/div>\n

    ➡ \u4f60\u53ea\u9700\u8981\u5728 Parameters \u6b04\u4f4d\u5beb\u51fa\u53c3\u6578\u540d\u7a31\u5373\u53ef\u3002<\/strong><\/p>\n

    \n

    📘 4. \u5404\u63a7\u5236\u9805\u4e8b\u4ef6\u53ef\u7528\u7684\u53c3\u6578\uff08\u91cd\u9ede\u6536\u85cf\uff09<\/h1>\n

    ✔ Button \/ PushButton<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n
    \u4e8b\u4ef6<\/th>\nCodeBlock \u53c3\u6578<\/th>\n<\/tr>\n<\/thead>\n
    onClick<\/td>\nthis<\/code><\/td>\n<\/tr>\n
    onMouseEnter<\/td>\nthis<\/code><\/td>\n<\/tr>\n
    onMouseLeave<\/td>\nthis<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    ✔ TextBox<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n
    \u4e8b\u4ef6<\/th>\nCodeBlock \u53c3\u6578<\/th>\n<\/tr>\n<\/thead>\n
    onChange<\/td>\nthis, value<\/code><\/td>\n<\/tr>\n
    onClick<\/td>\nthis<\/code><\/td>\n<\/tr>\n
    onGotFocus<\/td>\nthis<\/code><\/td>\n<\/tr>\n
    onLostFocus<\/td>\nthis<\/code><\/td>\n<\/tr>\n
    onKey<\/td>\nthis, nKeyCode<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    ✔ Text\uff08\u986f\u793a\u6587\u5b57\uff09<\/h2>\n
    \n
    \n\n\n\n\n\n
    \u5c6c\u6027<\/th>\n\u53c3\u6578<\/th>\n<\/tr>\n<\/thead>\n
    text\uff08CodeBlock\uff09<\/td>\nthis<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    \u4f8b\u5982\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this| date()}
    \n<\/code><\/div>\n<\/div>\n
    \n

    ✔ Form\uff08\u8868\u55ae\uff09<\/h2>\n
    \n
    \n\n\n\n\n\n\n
    \u4e8b\u4ef6<\/th>\n\u53c3\u6578<\/th>\n<\/tr>\n<\/thead>\n
    onOpen<\/td>\nthis, form<\/code><\/td>\n<\/tr>\n
    onClose<\/td>\nthis<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    \u7bc4\u4f8b\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this, form| form.caption := \"\u5df2\u958b\u555f\uff01\"}
    \n<\/code><\/div>\n<\/div>\n
    \n

    📘 5. \u5b8c\u6574\u53ef\u7528\u7bc4\u4f8b<\/strong><\/h1>\n

    ✔ \u7bc4\u4f8b 1\uff1a\u6309\u9215\u6309\u4e0b\u986f\u793a\u540d\u7a31<\/h2>\n

    Inspector \u2192 Button \u2192 onClick \u2192 CodeBlock\uff1a<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this| msgbox(\"\u4f60\u6309\u4e0b\uff1a\" + this.name)}
    \n<\/code><\/div>\n<\/div>\n
    \n

    ✔ \u7bc4\u4f8b 2\uff1aTextBox onChange \u986f\u793a\u8f38\u5165\u503c<\/h2>\n
    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this, value| msgbox(\"\u4f60\u8f38\u5165\u4e86\uff1a\" + value)}
    \n<\/code><\/div>\n<\/div>\n
    \n

    ✔ \u7bc4\u4f8b 3\uff1aText \u81ea\u52d5\u986f\u793a\u4eca\u5929\u65e5\u671f<\/h2>\n
    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this| date()}
    \n<\/code><\/div>\n<\/div>\n
    \n

    ✔ \u7bc4\u4f8b 4\uff1a\u6ed1\u9f20\u79fb\u5165\u6309\u9215\u8b8a\u8272\uff08\u6de1\u85cd\u8272\uff09<\/h2>\n
    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this| this.colorNormal := 16764057 this.refresh()}
    \n<\/code><\/div>\n<\/div>\n

    \u6de1\u85cd\u8272\u6578\u503c\u8a08\u7b97\uff1a
    = (255 * 65536) + (210 * 256) + 180<\/code><\/p>\n

    \n

    ✔ \u7bc4\u4f8b 5\uff1a\u6ed1\u9f20\u79fb\u51fa\u6062\u5fa9\u7070\u8272<\/h2>\n
    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this| this.colorNormal := \"GRAY\" this.refresh()}
    \n<\/code><\/div>\n<\/div>\n
    \n

    ✔ \u7bc4\u4f8b 6\uff1a\u8868\u55ae\u958b\u555f\u6642\u4fee\u6539\u8868\u55ae\u6a19\u984c<\/h2>\n
    \n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n
    {|this, form| form.caption := \"\u6211\u88ab\u6253\u958b\u4e86\uff01\"}
    \n<\/code><\/div>\n<\/div>\n
    \n

    📘 6. \u9650\u5236\uff08\u5fc5\u770b\uff01\uff09<\/h1>\n

    ❌ CodeBlock \u4e0d\u80fd\uff1a<\/h3>\n
      \n
    • \n

      \u5b9a\u7fa9 function<\/p>\n<\/li>\n

    • \n

      \u4f7f\u7528 do<\/code>, return<\/code>, class<\/code><\/p>\n<\/li>\n

    • \n

      \u4e0d\u80fd\u63db\u884c<\/p>\n<\/li>\n

    • \n

      \u4e0d\u80fd\u7528 eval()<\/p>\n<\/li>\n

    • \n

      \u4e0d\u80fd\u7528 macro (&)<\/p>\n<\/li>\n

    • \n

      \u4e0d\u80fd\u547c\u53eb\u5916\u90e8 PRG \u9664\u975e\u5beb\u6210\u4e00\u884c<\/p>\n<\/li>\n<\/ul>\n

      ✔ CodeBlock \u53ef\u4ee5\uff1a<\/h3>\n
        \n
      • \n

        \u547c\u53eb\u65e2\u6709\u51fd\u5f0f<\/p>\n<\/li>\n

      • \n

        \u8b8a\u66f4\u7269\u4ef6\u5c6c\u6027<\/p>\n<\/li>\n

      • \n

        \u547c\u53eb\u7269\u4ef6\u65b9\u6cd5<\/p>\n<\/li>\n

      • \n

        \u505a\u7c21\u55ae\u904b\u7b97<\/p>\n<\/li>\n

      • \n

        \u547c\u53eb\u5916\u90e8\u5df2\u5b9a\u7fa9\u7684 function<\/p>\n<\/li>\n<\/ul>\n

        \n

        📘 7. CodeBlock + \u5916\u90e8 function \u7684\u6700\u4f73\u5be6\u52d9<\/h1>\n

        \u5728 .prg \u6216 form \u4e2d\u5b9a\u7fa9\uff1a<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        function ShowInfo(o)
        \nmsgbox(\"\u7269\u4ef6\u540d\u7a31\uff1a\" + o.name)
        \nreturn
        \n<\/code><\/div>\n<\/div>\n

        CodeBlock \u5beb\uff1a<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|this| ShowInfo(this)}
        \n<\/code><\/div>\n<\/div>\n
        \n

        📘 8. \u8d85\u7d1a\u7c21\u8868\uff1a\u5e38\u7528 CodeBlock \u6a21\u677f\uff08\u53ef\u4ee5\u76f4\u63a5\u8907\u88fd\uff09<\/h1>\n

        ✔ \u7121\u53c3\u6578<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|| xxxxx}
        \n<\/code><\/div>\n<\/div>\n

        ✔ \u55ae\u53c3\u6578<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|this| xxxxx}
        \n<\/code><\/div>\n<\/div>\n

        ✔ \u591a\u53c3\u6578<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|this, v| xxxxx}
        \n<\/code><\/div>\n<\/div>\n

        ✔ \u6539\u5c6c\u6027<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|this| this.colorNormal := \"RED\"}
        \n<\/code><\/div>\n<\/div>\n

        ✔ \u547c\u53eb\u5916\u90e8 function<\/h3>\n
        \n
        \n
        \n
        <\/div>\n<\/div>\n<\/div>\n
        {|this| MyFunc(this)}<\/code><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"

        \u5167\u5bb9\u5305\u62ec\uff1a ✔ CodeBlock \u8a9e\u6cd5 ✔ \u6709\u53c3\u6578 \/ \u7121\u53c3\u6578 ✔ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[17],"tags":[],"class_list":["post-1487","post","type-post","status-publish","format-standard","hentry","category-dbase_language"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/posts\/1487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1487"}],"version-history":[{"count":2,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/posts\/1487\/revisions"}],"predecessor-version":[{"id":1787,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=\/wp\/v2\/posts\/1487\/revisions\/1787"}],"wp:attachment":[{"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1487"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dxQerp.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}